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In terms of low light and high ISO performance, the Canon Digital Rebel XTi and the Nikon D80 both perform very well with a slight bit of an advantage given to the Canon Rebel XTi at 1600 ISO.
The Canon Digital Rebel XTi is a solid performer in its own right, certainly the lightest and most compact, and with its very capable feature set, good image quality, wide range of optional system accessories and relatively aggressive price point will be sure to be another Canon success.
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