I have a 300GB Maxtor thingy. I've had it for about 2 years and it was inexpensive against others of its class and it does exactly what it says on the tin.

I'd definately get another one of that brand.It's quiet and pretty light so it's portable. The only thing is it doesn't have a power switch and I think it does need one.

I still haven't filled it yet and I only delete things I don't like.