> Finally, does George Mason have a part-time Ph.D. program with courses
> at night? A link or other information?If so, do you have any comments
> about it?

Many PhD students at George Mason University are part time.  Classes
for PhD and master students are primarily in the evening, 4:30-7:10 or
7:20 to 10:00.  Here are some links:

The Department of Computer Science    -
The School of Information Technology and Engineering    -
Schedule of Classes for Spring 2005 (Department of Computer Science and
related fields)    -