Some Details about Sony Alpha DSLRs: 

The a200 is an exceptional ‘entry level’ DSLR for photographers, packed with advanced image capturing and processing technology.

10.2MP CCD sensor
2.7” LCD screen
BIONZ processor
Super SteadyShot
D-Range Optimiser
Dual Anti-Dust System
Wide choice of lenses
ISO up to 3200
9-point autofocus

The a350 is a premium specification DSLR offering extra high resolution image capture plus the real-time creative shooting flexibility of Quick AF Live View image previews.

14.2MP CCD sensor    
2.7” Variable-Angle LCD screen   
BIONZ processor    
Super SteadyShot   
D-Range Optimiser    
Dual Anti-Dust System    
Wide choice of lenses   
ISO up to 3200
9-point autofocus
Quick AF Live View

The 700 is a robust and stylish semi-professional DSLR featuring advanced setting customisation, high ISO sensitivity, additional wide aperture focussing technology and HD display capability.

12.24MP CMOS sensor
3” Xtra Fine LCD screen
BIONZ processor
Super SteadyShot
D-Range Optimiser
Dual Anti-Dust System
Wide choice of lenses
ISO up to 6400
11-point autofocus
High Definition output
Advanced Quick Navi control
Alloy body