What's the best HDMI cable that you have tried ?

All I can say is that my wife knows nothing and cares less about audio and video and she had no trouble seeing the difference between first the stock cable and the Monoprice and then between it and the two more expensive ones. Of course we have Direct TV; I have never had a cable picture I was happy with.

Dave Schulte of the Upgrade Company did some tests with 1 and 2 meter HDMI cables last summer. From these tests they found out that 2 meter cables performed far better vs 1 meter cables. The best performing HDMI cable from these tests was the WireWorld silver starlight 5.2

From Dave Schulte, the technical explanation why 2 meter length is better than 1 meter length is that there is tremendous ringing produced by the short length, the 2 meter length creates a "delay line" so that when the signal bounces at the end, which invariably occurs, it does not come back so fast as to disturb the signal being sent at the begining of the cable... After you get a hdmi cable like a Wireworld silver starlight 5.2 the law of diminishing returns sets in.

Best I've used is Supra, right here on Audiogon.

If you replace the stock cords on your video gear (HDTV's too) with better cables, you will see the differences with HDMI cables more....