Seagate has died on me more than one time, last time i used Seagate it died after about a year (bought it because it got very good reviews). a chip melted under it and it was gone... so was ~200gb too.. and over 7k of pictures i had taken. lucky i had backup of most of it, but about 2k of pictures was lost.
that was the last time i tried Seagate.
WD has not been any better to me. I do have a 15GB WD from 14 november 2000, which still works as a charm, but 2 new one has died the last 3 yrs, and another works, but has a SMART failure.
I have also tried IBM which has died, but only after several years. but i do not trust them. the only ones that has never died on me are my Samsung disks. i started to buy Samsung after getting tired of Seagate and WD failure, and after reading some good reviews on them at Toms Hardware. and these has never failed me, on any of my computers. (which i have 6 of at the time, not mentioning laptops)