ok because I do have 6+ tv in the house and only 2 boxes.Yes, you need a PC with Windows Media Center to record shows and watch live TV. There are other media center software packages out now that have some compatibility with cable card tuners but none are yet fully compatible like WMC, so currently it is the only viable choice.
If I use wmc to record the shows, how do I watch them from another tv ? is there a simpler box to get or do I need a pc at every tv to watch off the main wmc ? sorry I never did this before but the word 'save tons of money' off ceton's site got me