A decent multi-coated slim Hoya, or B+W circular polariser would be a wise investment as quality is always important. They are not super cheap but you generally get what you pay for.

As for grads and ND's, I personally use the Cokin P series on my lenses which start at 16mm (DA 16-45). If you are using a super wide lens such as the DA 12-24, you may well have to opt for a larger range such as the Z-Pro range (more money!). Kood filters also have a small range similar to the P models are are generally well thought of. Cromatek's 75 range is compatible with the Cokin P range, they also produce a larger 100 range which is also a 100mm range similar to the Cokin Z-Pro series. Lee filters are generally regarded as the serious professionals choice and are appropriately priced.

Do remember, that nearly all square/rectangular grad filters are made from soft materials, usually resin, and are much more prone to scratches and damage, glass filters are available from Lee, but they are very expensive, but are the highest quality.

Where to buy? SRS or Warehouse Express if you are in the UK, B&H in the USA. There are others, do a google search for your manufacturer of choice. I would genrally avoid the cheap own branded (store) clones, I've used them in the past and they are thinner and not of such high quality.

If you want a S-IPS screen, then most of the cheaper widescreens don't use them as most manufacturers are making monitors for the gaming sector which need very fast response times and S-IPS aren't that fast. Widescreen S-IPS panels are usually pretty expensive as can be judged by the price of the Apple widescreen nmonitors which are S-IPS. Dell have used S-IPS panels, but they don't always do so, so it can be a bit of a lottery.

If you are okay with a non widescreen monitor (which I actually prefer) I can recommend the HP LP2065 20.1" (1600 x 1200) monitor which uses a S-IPS panel and calibrates very well and is not too expensive either, although I notice it has risen somewhat since I bought mine, I paid around £250 about a year ago from ebuyer, but there is a cashback deal from HP. http://www.ebuyer.com/product/118828.

The beauty of S-IPS panels is that not only do they have a very good viewing angle but very good colour accuracy, probably better than any other type of panel, I guess that's why Apple use them for their high grade Cinema range of monitors.

Actually WSM is know locally as Weston on the mud! Bristol is a beautiful historic old city with many fascinating photo opportunities. Yes, they are called Bristolians and they speak a derivation of old Somerset English known as Bristle, and you have to know the "Krek Waiter's Peak Bristle" to be understood!

There is a book published for tourists -
http://www.amazon.co.uk/Load-Old-Bristle-Waiters-Dialect/dp/185306792X

Just bought a re-furbished K20D from SRS. Amazing price, arrived the next day and is indistinguishable from new!

Amazingly friendly, fast and courteous. Probably the best UK dealer.

As well as the SilkyPix forum mentioned above, I would also like to point members to the excellent e-book by UK Pro photographer John Nevill, who is also one of the moderators on the SilkyPix forum. Sadly he is a Canon user, but we shouldn't hold that against him (well not too much! :lol. It does cost an exorbitant £2.50! But it's well worth it, there are many how too's and good hints and tips included.

http://www.eos-images.com/silkypix-resources/ebook-an-introduction-to-silkypix/

I'm not associated with him in any way apart from being a satisfied and enthusiastic user of SilkyPix V3.0 and have bought the e-book myself.

P.S. I'm really looking forward to the English version of the new Pro (V4.0) edition due out soon. More information on that on the SilkyPix forum.

As does Pentax's own software (Photo Browser), but it converts the PEF's to linear DNG's and also doesn't strip out the unused 4 bits of the 16bit package, so the resultant files are pretty large!

If you are insistent in using DNG then you can compress them with Adobe's desktop converter or within ACR or Lightroom.

My personal preference is to stick with PEF, as I've found that Capture One V4 doesn't give the correct colour profiles with DNG, it uses a neutral colour profile by default, even if you apply the correct camera profile manually, it still doesn't result in the same colour as with a PEF file. This is a peculiarity with C1v4, other Raw converters such as ACR, Lightroom or Silkypix don't have this issue.

Also be aware that DNG files converted by the Adobe desktop converter, ACR or Lightroom cannot be read and converted by Pentax's own software (Photo Lab), it will only recognise the uncompressed DNG's from the camera, or the DNG's converted by Pentax Photo Browser. SilkyPix v3.0 has no issues with any DNG or PEF format, it is my converter of choice even though some of the commands are bizarrely named in "Japlish"!

It doesn't matter what colour space you set the camera to if you shoot Raw, as Raw doesn't have any colour space. It is only relevant for JPEG or TIFF output.

You select which colour space you want to output the Raw file to when you convert to either TIFF or JPEG. Most converters allow AdobeRGB as well as sRGB and some allow for even larger gamuts such as Pro Photo RGB.

If you are outputting your images for web use, you should use sRGB as most web browsers only recognise sRGB. For print purposes AdobeRGB is usually more than sufficient as most printers cannot reproduce a gamut wider than this anyway. If you send your output to an external print house, then you should check to see what colour space they can work with.

It appears that SilkyPix have launched a new (beta) version of their Raw converter software with many new features:

They have a dedicated site for the new Pro version, but it's only available in Japanese as yet, hopefully we shall have a Japlish version shortly

Here is a link to the google translated site, it is fairly easy to get an idea what is featured.
http://translate.google.co.uk/... ...op.html%23003&sl=ja&tl=en&hl=en&ie=UTF-8

Unfortunately it seems that the beta won't load on English based installations for some reason, but that is being investigated.

The price to upgrade the Japanese version is 10,000 yen, which is around $100 or £63 at todays rates, the price for an English version is not fixed yet.

There is a thread about all this on the SilkyPix forum:
http://www.shortcutinc.com/forums/showthread.php?t=191