B&H has the Nikon AF-S 50mm f/1.4G lens for $339 (reg. $439) with 2% rewards and free shipping. Check it out here at B&H Photo.
B&H has the Canon EF 50mm f/1.8 II lens for $99 (reg. $125). If you only have the kit lens with your Canon DSLR, this is the first lens you should buy to go with it. Check it out here at B&H Photo.