Wow, this thread blew up in a few days! I heard that the army refused to shoot civilians, hence only police and BERKUT forces were applied. I'm not buying this, because if there's one thing the army is good at, is drilling it into your skull to follow orders. Military tribunals and such are no laughing matter, so I don't see a general sticking his neck out in denying this. I'd love to get more reliable info, but I can't, expect from some friends I have in Ukraine. Maybe I should ask them since I haven't in a while.
Regarding rebellions - we live in the information age. It is no longer necessary for civilians to outfight a professional army (and it is impossible if said army is at least moderately competent and equipped). It is only necessary for cameras to capture the blood flowing in the streets to get the UN to act. There's more than enough bored and rich countries who have nothing better to do than meddle in such affairs.
That Putin wants to march his troops down to Kiev is probably true, but I think he is shrewd enough not do something so blunt.
Marching tanks over foreign capitals is so 20th century.