This is a great choice if he intends to not take it out with him, the Toshiba is a 3.5inch type, if he needs portability look at 2.5inch models. I use Western Digital products, have a look>> http://www.westerndigital.com/en/index.asp, but shop around at places like misco.co.uk or dabs.com.
I'd check one thing with him first: portable external hard drive or 'desktop' external hard drive? (i.e., will he be carrying it round with him, or will it mainly be sitting on his desk next to the laptop?)
Ok....we have ascertained that he wants the more portable type so my choice is out of the window now.lol
Thanks for the advice,i'm glad I decided to post here before buying!