Sony's Alpha A200 is a relatively minor revamp to the electronics giant's first digital SLR, the A100, which itself was a more significant step up from the Konica Minolta 5D. The Sony A200 is lighter and smaller than the A100, and a good deal easier to use.
Sony claims improvements to the Sony A200's AF system that will make focus acquisition 1.7 times faster, thanks to the high-torque AF motor and improved AF sequence borrowed from the A700, and our test results do indicate a significant improvement. Read the whole review here. You can buy the camera here