sata II are the standard features that the drive support like ncq/staggeredspin up/ whatever else.
there are sata 150 drives out there with sataII features, and there are sata3.0 drives without sataII features.
more info from the organization that controls these standards can be found here http://www.sata-io.org/namingguidelines.asp
Some people think that the X2 is a little expensive for its performance...
I call 2 smp Opty 254's for less than $500 on s939 a fair deal
Now folding for Team 37726 and team ArMaDa
Venus - CAB2E 0547 GPMW @ 2.8 ghz and climbing
DFI ULTRA -D / 2 x 512 mb OCZ EL Platinum
6800 GS @ 542 / 1250 and climbing
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