It depends. If your one of those P2P maniacs, you need a lot of space for all of the shared files and videos and music and other stuff, also if your a multimedia freak [like me]. lol. If you just run MS Office and surf the web, that's more than enough.
My laptop's 60 GB as only a few megabytes left on I really wish I had a 200 GB hard drive :drool: I think there is a little slowdown even though I use diskeeper