Canon EOS 40d is a great camera.
Interesting upgrades from 20D & 30D:
- – 10MP in resolution
- 6.5 b / s (up to 75 jpeg)
- Real-time image
- Possibility to quickly switch between LiveView and normal mode to get Autofocus
- Quiet mode in LiveView (there are two different, quiet and extremely quiet mode)
- Image formats JPEG, RAW and sRAW
- Possibility of wireless image transmission and to take pictures wirelessly
- Possibility to use external hard disk for normal shooting
- Highlights priority
- Interchangeable viewfinder discs
- Auto ISO
- DIGIC III processor
- The new EF-S 18-55 f / 3.5-5.6 IS USM will be available as an option