a) Seagate
b) Hitachi/SimpleTechnologies
Check these at Ecost.com:
Seagate 500GB FreeAgent Desk External USB Hard Drive - ST305004FDA2E1RK
Only thing I don't like is white color.
$50 for 500GBhttp://
www.ecost.com/Detail/External+Storage/Seagate/ST305004FDA2E1RK...
Transcend 320GB USB 2.0 Portable External Hard Drive - TS320GSJ25M
$64 MILITARY DROP-TESTED New modelhttp://
www.ecost.com/Detail/External+Storage/Transcend/TS320GSJ25M/41...
You can buy my hardly-used 120GB for 5 dollars, I know it's tiny but who
knows maybe 120GB is partially OK dfor someone for 5 bucks?
IF YOU HAVE MONEY check:
Seagate Replica 500 GB Complete Multi-PC Backup System with Dock-Silver -
ST905004BDA101-RKhttp://
www.ecost.com/Detail/External+Storage/Seagate/ST905004BDA101-R...
$120
Seagate USB 2.0 External Hard Drive - STM307504OTA3E1-RK
750GB capacity,External, 7200 rpm, Spindle Speed, 16MB Buffer Size
$160 but it will keep you happy for years, in terms of performance, unless
you damage drives routinely which may indicate some systemic problem with
your setup and so this drive coul dbe busted before its specs become
obsolete
IF YOU DON"T HAVE MONEY:
JUST GOTO EBAY.
Almost 1/3 of my company's tools came from Ebay, professional tools, cheaper
than anywhere else but of course unlike normal seller tyou take chances with
Ebay... risk. I was burned once however, in all the years, someone sold me
half-dead RF Generator