I believe Canon is best brand when it comes to Digital Cameras. Among Canon you can look for the New Canon 40D, Canon 400D, Canon 50D, Canon 450D.I would suggest you to read reviews on it. Have a look at http://www.checkcost.co.uk/digital-cameras/c/4368
This may help u to get a comprehensive overview of Digital cameras in the market today.
Hope this helps you!