Canon XSi and Canon XTi, Canon 40 Comparison

After some research, here are what I found: most of people, XSi with Canon 18-55mm f/3.5-5.6IS lens is the choice. However, for advanced amateur, especially who do sports photography, or shoot at low light conditions, 40D is the preferred Camera.

detaileds: Canon rebel and 40D

Best lens for Caon 40D or rebel XSi

lens choice