In the market for External hard drive

[turbotalon1g]

Can anyone point me in the right direction?

I'm looking for something to backup my pics, videos, music, etc.
I am currently getting my 250GB HD saved, so i need something at least with that much space.

I asked a guy at a computer store and he showed me something that uses a USB cord to a hard drive plug in.
He says he likes it cause its less bulky and he can have as many HDs as he wants with one cord.

I'm kinda out the loop on everything and I figured you guys would be able to help.

Thanks
Aaron

(also if my HD gets saved I have lots of music to share.)