Some people are lazy though, why go upstairs to use the PC to surf the internet, when you can sit on the settee and surf from the XBOX!
X3 Chip is the best one out there at the moment I think..I have one in mine and Ive not had a problem with it.
If you then get a slayer disk that has all the stuff you need, new dashboards, ftp program, Xbox media player etc etc. Lots of people are now setting up the dashboards to allow you to setup rss feeds as well.