The riots in Kyrgyzstan led us to this article. Former CIA operative Herbert Meyer explains why dictatorships fall, in this interesting article I found at Publius Pundit. It is based on his work with Bill Casey in fighting the USSR in the Reagan administration. About current events, he is sanguine. He says Kyrgyzstan will go the way of the USSR because the generals won't shoot their own children. I don't know, there is a lot of regionalism in Kyrgyzstan, and although not a perfect democrat, Akayev really wasn't a dictator. Plus the question of Islamic extremism is a factor that needs to be considered, since instability can open the path to a fundamentalist takeover--viz., the Shah of Iran.
In addition, I saw Akayev on Russian television for the Moscow State University Anniversary celebrations (he's an alumnus of MGU), so I think the Russians might have something to say about what happens next. They didn't do anything in the Ukraine, but that isn't a guarantee they will do nothing now. Do they have the troops? Well, there are 25,000 Russian soldiers in Tajikistan.
It is always hard to make predictions, as Sam Goldwyn might have said, especially about the future...