Well - I went out and did it. I bought a G5 iMac 2GHz and an Airport Express. I'm using my original modem - a CA61E ADSL 1-port Ethernet Router - to connect. It worked flawlessly with my G4 Cube, but now that I'd like to set up a network for a 12" G4 PowerBook laptop as well, I can't seem to connect... Basically, when I FIRST got broadband 3 years ago, I bypassed the NAT settings on my router so that the Network Preferences on the computer sent my static IP address directly to the ISP, rather than being assigned an IP address via the router first (i.e. 10.0.0.1 or 192.168.0.1). This was because the built-in firewall on the router wasn't letting me use iChat, and I couldn't control port forwarding. I therefore opted for a much more controllable software firewall... My issue now is that when I plugged in the Airport Express to the router, I can see it clearly enough, but I cannot work out how to use it as a "hub", so other users can log on and connect to the net using my router... The AP Express is dishing out individual IP's, but it's not allowing ANY other user to connect. Currently, I'm surfing wirelessly on the iMac, but have NO idea how it connected. The PowerBook, however, doesn't even want to know. I thought it was self-configuring, but it seems that I've made it remarkably unneccessarily convoluted. Does anyone have ANY simpler method to do what I'm VAGUELY attempting to do?!? I await your replies.. Thanks!!!