This subject has been pretty well covered already.
So to keep from reinventing the wheel,
here is a link to a long discussion of the subject:
http://forums.dpreview.com/forums/read.asp?forum=1029&message=12321781
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I'm getting the Canon DRebel XT and looking for an "all in one" type of lens with both wide angle and zoom.
Thinking about the Sigma 18-125mm - any thoughts about this or other recommendations?

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