From what I'm hearing, it sounds like Xbox is going to fit your needs the best. TV is a big emphasis of the Xbox One, so that will probably be your best bet in terms of probability of being able to watch CBS.com shows. The Kinect will also allow for lots of cool voice and gesture-based commands so you don't have to fiddle with a remote for your media.
Dead Rising 3, D4, and Forza 5 will be exclusive to Xbox, but the only game that looks to be a system-seller for most people seems to be TitanFall, and that's being released for PC as well. Everything else - Destiny, CoD: Ghosts, Mirror's Edge 2, Metal Gear Solid, Final Fantasy, Kingdom Hearts - will be cross-platform.
The One itself will not affect the worth of your 360, as it is not backwards-compatible (at least with disc-based games). However, they will be releasing a new version of the 360, which might affect the resell value of older models.
As for what your friends are going to be choosing...well, probably the best thing to do is ask them. The Internet in general though seems to be trending towards PS4.