Tamron AF 17-50mm F/2.8 SP XR Di II VC (Vibration Compensation) ZoomLens for Canon Digital SLR Cameras =Price after rebate:$607.33
http://www.amazon.com/gp/product/B0...&pf_rd_t=101&pf_rd_p=470938631&pf_rd_i=507846
Tamron AF 17-50mm F/2.8 SP XR Di II VC (Vibration Compensation) Zoom Lens for Nikon Digital SLR Cameras = Price after rebate: $598.92
http://www.amazon.com/gp/product/B0...&pf_rd_t=101&pf_rd_p=470938631&pf_rd_i=507846
Do I just go ahead and get the Canon one?