Pentax Optio RZ-18 Memory

Hello. I am looking into buying the Pentax Optio RZ-18. I know it can take SD, SDHC and SDXC cards. I also know it can take up to 64GB cards (as told by the customer service representative on the phone, with whom I talked to). My question is what kind of card would be compatible with this camera? What kind of speed will it take? Class 10, UHS Speed Class 1? Would it take this card: http://www.gskill.com/products.php?index=532
Any information regarding this would be appreciated. Thank you.

It will take cards marked up as indicated, so no problem with SD, SDHC and SDXC.