why do you want SATA so bad? the biggest advantage is the 10k drives (all raptors at this point)
no big differnces between SATA ans PATA @ 7200
If you want performance just make sure you get a drive with 8 mb cache,
if thats not fast enough slap 2 together in RAID 0 for some speed that wont cost you an arm-and-a-leg. (just buy a RAID card and 2 identical hard drives)
but if you got money to blow, go with a raptor(it's probly gonna have less space than RAID though

)
(people will mention a big differfernce is speeds/sounds of one drive to another, but for the most part all the major brands are the same (within spec, IE 7200rpm+8mb cache) , the only real differnces are going to be seen in the bearing types) most people just find a brand they are comfortable with and stick with it.
personally i like WD, but I know that seagate and hitachi are probly just as good.
just make sure you check out the hot deals forum, they always have a hard drive thread with the current deals going. (search for the user "albrandwood" she has some great deal comparison threads)
Edit: added
Linky to Ashley's Killer HDD Thread