For those who don't have cable, I think NBC streams the Games on their website. I know they did a couple years ago for the Summer Games because Comcast was pissing me off when the cable kept going out while I was watching an event, so I just got online to watch it until Comcast got their shit together.
Shit, shit, shit! Lindsey Vonn has withdrawn from Sochi due to a re-torn ACL. She has stated that her knee is too unstable to compete.