I'd recommend Samsung or Western Digital. Decent brands with almost no messy reports on hardware (at least in my german ressourses...

) I advise against Seagate and Maxtor.
I heard that SATA doesn't work out as SATA on non-Vista-systems. So it's like 150MB/s ATA. <_<
You should be able to purchase these harddisks for less than 100€, no matter if SATA or ATA. Some ATA devices in this price area work this 10.000rpm which is an speed advantage, but you said that wouldn't be important.
