I presently have a MacBook that accounts for 98% of my computer use and a Mac Mini (1st gen) that I'm now basically only using as a server for my iTunes library and printing. I'm very tempted to sell them both, buy a MacBook Pro and a new Airport Extreme and use that as my server, but I can't help being really concerned about the issue of Airport Express music streaming, which is essential to me. Obviously, we don't know yet if putting an Airport Express on the same network would really slow everything down to 802.11b/n/g speeds. Some folks here have talked about setting up separate "slow" and "fast" networks, which kind of confuses me a bit. If I did that, I'd presumably have to manually switch to the "slow" network every time I wanted to stream from iTunes. If/when I do that, how do I maintain an Internet connection if the new Airport Express (and the "fast" network) are attached to the cable modem? Since a lot of the streaming I do is online radio (KEXP rules, baby!), this would be vital to me--I wouldn never go with the slow/fast network scenario if it meant I could only listen to music off my HD and not off the net. Can anyone offer some insight into the situation?