I did get on the trainer last night. For a while at least.

Lately I have been using the fixed gear on the trainer. The past two times, everything starts out fine and then about 15 minutes into the ride the bottom bracket starts knocking and creaking and rattling and generally being very annoying. After another 15-20 minutes I can't take the noise any more and stop. I don't really care to sink much money into the bike but it looks like there will a cash outlay required to be back to normal.