Specs :
Megapixels: 6 MP
Weight: 6.4 ounces
Optical Zoom: 4 x
Media Type: SD memory card
price: $198.00 (may vary)
Review of this digi cam with Photos ---> Click here

2. Canon Powershot A700
Megapixels: 6 MP
Weight: 7 ounces
Optical Zoom: 6 x
Media Type: SD memory card
price: $299.00(may vary)
Review of this digi cam with Photos ---> Click here

3. Canon Powershot SD700 IS
Megapixels: 6 MP
Weight: 5.8 ounces
Optical Zoom: 4 x
Media Type: SD Memory Card
price: $689.00

Review of this digi cam with photos ---> Click here

4. Sony Cybershot DSC-W230
* 12.1 Mega pixels
* 4 x Optical Zoom
* 3.0” LCD Screen
* Carl Zeiss Lens
* 30mm Wide Angle
* Face Detection (Advanced)
* Optical SteadyShot
* Lithium-Ion Rechargeable Battery
* In camera red-eye correction
* Smile Shutter
* Intelligent Scene Recognition
* BIONZ Image processor
* 30mm wide angle lens
* Dynamic Range Optimiser
* Full HD 1080 output (still image)
Review of this digi cam with photos ---> Click here

For other model and details... u can go through the following links..
For canon , to see all models ---> Click here
For Sony , to see all models ---> Click here

For more details u can check the following sites...
1. THIS SITE MAY BE USEFUL ---> Tech tree
2. This is also interesting ---> Mouth shut
3. For more reviews ---> digi cam review