B&H has the Vello Shutterboss Version II timer remote for Canon and Nikon cameras for $39.95 (reg. $49.95). This is a cheaper alternative to the pricey Canon model that works very well (read my review) for the price. Check it out here at B&H Photo.
B&H has the Vello FreeWave Plus Wireless Remote Shutter Release for Canon cameras for $29.95 (reg. $59.95) as it its Deal Zone deal through Saturday night. Check it out while it lasts here at B&H Photo.
I hadpreviously tested the Vello grips for the Canon 5D Mark II and 7D, and found them to be solid performers – especially considering the price. Check out the Vello grip for the Canon 6D here at B&H Photo.