I run CMU CL on my Ubuntu box with Emacs and SLIME, and OpenMCL on my Mac OS X laptop with Emacs and SLIME. I also happen to be the proud owner of a Symbolics 3620.
During the day, I'm a Java developer for a small company in Silicon Valley.
I can be reached via medavidson (at) mac (dot) com
Emacs Hemlock Java Slime