Went and bought myself an XBox live kit last night. Woah! So good. So easy to play other people ... and the voice quality was great. I am running it over a 256k DSL connection and everything was really smooth. Being in NZ and playing people overseas i thought i would have been worse ... but it was all good.
I am very impressed with the system ... it takes console gaming to a whole new level! Being able to talk to the others you are playing ... great fun!