I just went through this as well after doing an install putting the tv on a wall mount and running cables through a stud into the basement and back up...I ordered 2 20ft monorprice hdmi cables, one 24awg and the other 22awg. Both were a bear. But at that length, once we got something fished through the wall, I didn't want to have to mess with it again if it didn't work. These cables would have been great, lol. I got around some of the issues by putting in the little port savers (270deg bend) and then also using an 8" flexible hdmi extension. Worked, but not as elegant.
Denon 2807, Samsung UN55D6900 55" LED 3d, Dali Ikon 6's, Vokal 2, and Ikon 1's, and a LFM-1 EX Subwoofer from Outlaw Audio.