Calumet Photographic is offering $200 off of a purchase of $1,000 or more on any in-stock items. Canon, Nikon, Sony, and some other brands are unfortunately excluded, but there are plenty of other items available if you're looking for something other than a lens or camera body. Tripods, camera bags, lights, and even Sigma lenses are included in this deal. Some good examples of deals include Sigma's popular 35mm 1.4 for either Nikon or Canon
The fine print says that this offer is valid on purchases made today for in-stock items, and excludes Sony, Nikon, Canon, Leica, GoPro, Tamron, and Sennheiser. Free two day shipping is offered for lenses, and free ground shipping for everything else.
Additioanlly, if you participate in cashback programs, FatWallet is set up for 1.5% cashback on purchases made at Calumet, so look into that for additional savings.
If you're in the market for a tripod, case, or even some new filters, $1,000 doesn't take long to reach. I just bought a Manfrotto MVH502A Head w/535 Tripod & Bag, plus some 82mm filters for my new 24-70, and was able to get this deal with relative ease.
I am not affiliated with Calumet in any way. I saw a good deal this morning on a tripod and wanted to share.