The various Canon Digital EOSes and the digital Nikons are all top notch cameras. You can't go wrong with any of them.
Another great source for Camera equip (basically Adorama's competition) is
B&H Photo Video | Digital Cameras, Camcorders
I purchased my Canon EOS Rebel XT, lenses and other stuff from them. Just a happy customer.
They have the XSi with 18-55 IS lens for $589.
http://www.bhphotovideo.com/c/product/542180-REG/Canon_2756B003_EOS_Rebel_XSi_a_k_a_.html
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Steve
'08 Boxster RS60 Spyder #0099/1960
- never named a car before, but this is Charlotte.
'88 targa
SOLD 2004 - gone but not forgotten