1) AVCHD2.0 format ,below 1080p it have the Bit rate of 50Mpbs,4:2:2Sampling(other model coming next year has 4:2:0)
2) 1080P with the highest 120fps,at 720P, the highest is 240FPS
3) MP4 format still 35Mbps
4) center focus all the lens can use the biggest Aperture. others still F3.5
5) except P model, A,S model can also auto-focus but M model still MF
6) 4 times zoom in during 1080P can be captured
7) multi-recording can take a 2.4Megapixels during recording
8.) HDMI can be Non-destructive Output new shoe can fit the wireless(bluetooth) mic
9) except the high speed model,other model Maximum recording time is 29min 59s
10) Time code support
That being said, it should be noted that these are merely rumors for now as the Sony A99 has yet to be announced. However if previous rumors are to be believed, the A99 is expected to be unveiled either later this month or September which is when Photokina will be taking place.