Listed bellow are the detailed specs of the already leaked Sony a37 and NEX-F3 cameras. The official announcement will be on May 17, 2012 and will include a new 18-135mm f/3.5-5.6 SAM lens priced at around $500. Sony is also planning to announce a new 18-200mm f/3.5-6.3 OSS lens this summer.
Sony a37 specs (replacement for the a35):
16.1 MP sensor
ISO range: 100-16,000
Steady-shot: 2.5-4 stops of image stabilization
15 points autofocus with 3 cross sensors
Tiltable LCD
100% coverage view finder
1080 24p HD video with face detection (60i option also available)
7fps
Weight: 448g
Price: $599 with 18-55mm lens | $799 with the 18-135mm f/3.5-5.6 SAM
Shipping will start in June
Sony NEX-F3 mirrorless camera specs:
16.1 MP sensor (same as a37)
Latest Bionz processor
ISO: 100-16,000
1080 24p HD video (60i option also available)
MP4 Codec
3:2 in MP4 mode
180 degree LCD for easier self portraits (no touchscreen)