I have not yet detected any differences in performance with short lengths (1-2meters) and use fancy cables interchangeably with those from Monoprice. For the long cables and those I put in the wall(!), I have used some fancy brands, if only to sleep better.
My recommendation, though, is to look at cables (or adapters) which will more firmly anchor the connections than does the standard HDMI connector. That, IMHO, is the Achilles' Heel for all of them.
Kal