Let the hive mind of Engadget get that for you.
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I'm sure people can live with waiting for for a week to get this excellent player. Forget the 1080p/24 output. It's a non factor for %90 of the HDTV market which doesn't support 24/48/72 input.
The big news is the Silicon Optix Reon VX processor. Confirmation is in that thread about this feature and for those that don't know Silicon Optix Realta ($$$$) and Reon are the new darlings of movie playback processing.
For those people that though the HD-XA2 was just about 1080p outputs you can now rest assured that the XA2 is "Turbocharged" and will have plenty of benefits for the higher end home theatre.