If the EDID in the display shows 1080p as the prefered timing, you can get 1080p today in auto mode. This might work on the JVC2K. I clearly won't work on the Sony Qualia as they won't accept 1080p60 on the digital input.

Stacey Spears
Co-Creator, Spears & Munsil High Definition Benchmark, Blu-ray Edition and Lighthouses of the Pacific Northwest.