Silverlight v2.0 is getting closer and closer to RTM but I have yet to hear any stats as to how many browsers are running Silverlight. If I ask Adobe (by googling \"Flash in
Well 6 million watched the Olympics on NBC, which used a silverlight player. So at least 6 million. I've never seen exact stats, but you can be pretty certain that it is pretty small still.
Also, there is an implementation of silverlight for linux called moonlight.