Amazon has a really good price on them right now!
Canon EF 70-200mm f/2.8L IS USM
Add it to cart: $1,612.45
After you choose everything and put your credit card info and click submit (there's a review screen before you place your order), you'll see the -$100.00 Canon Instant Rebate for this lens. Free super saver shipping:
Total: $1,512.45 shipped!
Amazon Link