Hitachi Sucks. Everyone I know to buy Hitachi ended up loosing all the data when it failed some time after...
Oke kaata hari wikunala Maxtor ekak ganna. maxtor rules.
Im using all maxtor 250 Sata + 160 + 30

)
No errors @ all.
even a barnd new hitachi HDD gives some stupid noises.
Noises => statically unbalanced & dynamically unbalanced
good luck. Eitherway your hdd is gonna fail soon. so act fast
Cheers,