Goodbye WEP, hello WPA!
I forgot to mention this a couple of weeks ago: wireless networking just stopped working on both the MacBook Pro and the old PowerBook G4. From memory, it went like this: wireless on the PowerBook stopped working, and as part of my preliminary debugging, I power-cycled the MacBook Pro to see if it would reconnect. It wouldn't. I've had numerous problems with WiFi at my house in the past, though I thought they were all behind me. On a whim, I flipped the router over to WPA2—both Macs reconnected. As an aside, my Palm TX would no longer connect, though, to be honest, I use WiFi on the Palm so infrequently, I actually can't be bothered debugging that at the moment.