I attended a seminar on HDMI given my Jeff Boccaccio at RMAF and from what he told us that length of cable should not really exceed a 15 foot run. However he indicated that if you need to employ a longer run that the quality of cable to assure time delivery is a strong consideration. Take a look at:
www.hdmiuncensored.com he offers a book and I believe even free advice if you call or e-mail him.
www.hdmiuncensored.com he offers a book and I believe even free advice if you call or e-mail him.