B&H has the Rokinon 14mm f/2.8 IF ED UMC lens for $299 (reg. $339) now through Nov. 25. It is compatible with full frame and APS-C format cameras and is available in Canon, Nikon, Pentax, Sony, Samsung NX and Olympus 4/3 mounts. Check it out here at B&H Photo.
B&H has the Bower 14mm f/2.8 lens for $329 (reg. $379) in Canon, Nikon and practically every other DSLR mount. This is a really wide lens for you full frame shooters (it also works on APS-C cameras). Check it out here at B&H Photo.
Note that the Nikon version with focus confirm chip is $349.