Actually I was wrong, that didn't fix it, it was still running with the other build. I deleted everything again, from the command line, and installed 1.0.1, and it still gave the same sort of error. I installed XQuartz 2.3.2 beta 2, and I still get the same errors. Is there a way I can install the current version of X11 that ships with Leopard, or would that not help?