I've seen videos and the speed gain is really good on XT vs regular 7200rpm HDDs. I originaly wanted SSD, but price is too high,
http://boardsus.playstation.com/t5/PlayStation-3-General/PS3-Drive-Comparison-HDD-vs-SSD-New-and-Improved/m-p/43584590
so I found about these hybrid drives, but I...