Canon Powershot A620 - compact

7.1 megapixels ; 3x optical zoom
- tilt-swivel lcd (useful feature)
- 4aa battery (for fast flash recycling)
- fast performance (digic II)
- full manual controls (Av, Tv, Scene modes, etc.)
- excelent build quality (doesn't feel like a toy)
- sd card
- approx. 200 grams (w/o battery)
Canon Powershot S3 IS

- 6 megapixels ;
- 12x optical zoom (ultra zoom)
- image stabilization (useful in low light conditions)
- Ultra Silent Motor (smooth & silent) zooming
- EVF (electronic viewfinder)
- movie recorder with optical zoom, stereo sound
- tilt-swivel 2.0" lcd (useful feature)
- 4aa battery (for fast flash recycling)
- fast performance (digic II)
- full manual controls (Av, Tv, Scene modes, etc.)
- excelent build quality (use of polycarbonate and metals)
- sd card
- approx. 400 grams (w/o battery)
Nikon D50 - DSLR

6 megapixel ; SLR
- excellent image quality (can't be beat by any fixed lens camera)
- Single Lens Reflex (you can actually see what the camera sees)
- hot shoe Flash (external flash attachment)
- Interchangeable lens
- professional, manual controls
- lithium-ion battery (good for 800 shots)
- sd card
- approx. 600 grams (w/o lens & battery)