I use ICQ, Yahoo, AIM, and MSN. Some of my clients seem to chose their own, so I set up accounts on all of them. By using a program called "Trillian", I'm able to have them all up simultaneously without a great problem.

Generally, I don't give out my IM IDs since I get a LOT of requests from people. If you'd interested in striking up an IM conversation, drop me an email first and we can discuss whether we can help each other out in some way.

-- Philippe