The Canon lens and flash rebates that were scheduled to end on July 11th, 2009 have been EXTENDED to August 8th!

See:

http://www.usa.canon.com/app/pdf/Promotions/Lens_rebate_MayAug09.pdf

There are some great rebates, like $200 off an EF 70-200mm f/2.8 L IS USM zoom.    Also the Speedlight 580EXII has a $50 instant rebate!  Check out all the great deals, and if you’re sitting on the fence deciding if you want to make a purchase, at least you have a few more weeks!