*mumble* *grumble* I've ready the readme before...
, there's the link to the FTP site for the older drivers. D'oh, again. I'll go give some of those a shot.
ACK, I posted too soon. Those drivers are *really* old. Not what I'm looking for.
BTW, with 1.0-9629, my problem looks similar to "X starts for me, but OpenGL apps terminate immediately" entry under "Common Problems", but xdpyinfo shows that glx and nv-glx are both loaded. Hmm.