If easy access to a DVR is the only thing keeping you from cutting the cord, then the latest HDHomeRun devices could be just the push you need. While SiliconDust has previously built well-regarded ...

The DIS-2/M StreamerPro Module Rack is a 3 HU slide-in module for 19'' standard racks. It can house up to identical 10 DIS-2/M StreamerPro modules. Dimensions (W x H x D): 483 x132.5 x 255 mm (3HU).