I am visiting Japan and we had a very interesting meeting with some friends...

a800...
-15.2Mpx APS-C CMOS Exmor "R" sensor
-ISO 100-12.800
-6.5 frame per second
-New high speed flash sync
-9 double cross f/2.8 AF sensor (23 total AF sensor)
-New metering and AF sensor with tracking and previous focus
-Dual AF Ultr-Speed motor ??
-Wi-Fi built-in

Will be announced on PMA09 and launch on April with 3 new DT lenses...