This must be a joke.
I have my PC Rig hooked up to my 50" LED in the living room, with xbox360 controllers. Please don't compare a console, now or any future console, to a PC. A PC will smoke, and will always smoke, any console.
If you want to bring in the cost argument, then that's different. Because that's really the only argument that could be made in favour of a console (ie, the lower cost). Other than that, the PC crushes the console in every way imaginable.