Unless your into benchmarking, go with a Sata2 and save a few bucks that could go towards a larger drive.
I personally would not buy a 64gb, unless you boot from a seperate drive, plan to raid it later, or just for loading games etc.
Ofcourse, depending on what your looking to do... for a gamer?
I'd say 64/128gb sata2 SSD and all the ram you can get onto your board,
as a gamer myself, I dont really care for the SSD as much as I perfer ramdisking whatever game I'm playing.
As of now, I'm running 3x64gb SSD Raid0 and 16gb Ram, 1 500gb download drive, and a 640gb storage drive.