Ooh. Good eye, Salty. Other deals:
16-35mm F/2on sale for $1400.
Wacky fun EF-S 15-85mm is also on sale for $717.
It's less-interesting cousin, the EF-S 55-250mm is $210.
300mm F/4L is $100 off.
70-200mm DO IS is $100 off as well. BIG DEAL NO ONE BUYS THAT THING DON'T YOU GET IT, CANON?
EF 75-300mm is $138. Don't buy this unless you enjoy the challenge of extracting good shots from terrible lenses. Even then, you should probably pass.
There's a couple others on sale as well, including the 15mm fishee.