The ABT2010 is a chip I've spent some time with and been quite happy with when used in conjunction with DVD's, but it does depend on the firmware implementation as well. The most likely Anchor Bay chip will be the ABT2015, which is similar to the ABT2010, so it should offer similar potential.
If your plasma is a "non-standard" resolution (the various flavors of 768p), my understanding is that it is prohibitively complex for the panel's native resolution to be supported (too many variations in timing and specific resolution). Some standalone video processors support it, but it's really hard to do - OPPO tried it with the BDP-83 during beta testing and concluded that there were too many problems. You'd probably need to use either 720p or 1080p (assuming the plasma accepts a 1080p signal).
Ah, my Pioneer 5080 is a 768p but does accept a 1080p signal. That is how I have it set up with the oppo BDP-83. So does the 83 have either of the chips you mentioned? I'm very pleased with the DVD performance from the oppo and if the 978 can do the same with standard def TV it would be great.
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