___For the best display, the 8500 is busted. The 7500 down to the lowest priced Radeon â€œLEâ€ is fine with the appropriate driver and overlay adjustment.
___As far as the HTPC to a HD RPTV, if it can use a 5 BNC component connection, you simply need to run a Custom T&R capable of synching with the display and connect up the 5 BNC to it. For a strictly Component HD RPTV, you will need a RGB to Component Converter. The Key Digital or Audio Authority would be good bets. You will still need to output a synchable custom T&R from the Radeon of choice to the converter for this to work. Once you do, a DVD overlay looks fantastic.
___Sure. You can look up the HiPix DTV100 (search for HiPix), AccessDTV, and the latest being discussed in a ferocious manner as evidence by the amount of views is the MyHD-MDP100 thread on the front page of the forum as I type. (search for MyHD) if you need to see even more threads in regards to it.
The gamma curve is broken. The easy way to explain it is to imagine 20 boxes, ranging from 5% black to 100% black. You should be able to see the differences in each box.
A broken gamma curve will result in several boxes being the exact same shade when they should be different. This is happening in the tail end of the gamma curve, causing all dark gray colors to be displayed as black. Bye bye detail in shadow scenes.
This would not be much of a problem if you only watched cartoons, but I wouldn't recommend trying to get through Dark City with a Radeon 8500.
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