remote ttl flash

I want to upgrade my flash triggers to ones that will respond to ttl firing. I was just wondering what equipment the more experienced strobists were using to achieve this ? I have an AF540FGZ flash at present. I have been looking at the pocket wizard range but not sure which to go for, or if there are better alternatives out there....

Recently discussed here........

https://www.pentaxuser.com/forum/topic/ttl-flash-triggers-39731

Thanks for posting the link Brian. I understood Pentax to be left a little wanting in the area of flash control. I just didnt realise how much... But I guess if a little inconvenient, its saved me money.

I gave up using flash on my Pentax's three years back. Very occasionally I use the pop up flash. For shoots that need flash, inconvenience and workaround's are not options.

Ricoh really need to address this issue.

Best regards