Canon is offering to get up to a $200 instant rebate on select EOS, SLR camera lens kits, EF and EF-S lenses. Purchase is required. The rebate is good for select EF lenses, Speedlites, and other accessories. The coupon can be downloaded from their website.
Some of the Qualifying products include:
EOS Rebel T1i EF-S 18-55mm IS Kit
EOS Rebel XS 18-55IS Kit
EOS Rebel XSi EF-S 18-55IS Kit