Came across this video comparing the newly released Canon EOS-6D, the Nikon D600 and the EOS-5D MK III cameras. The first two are entry level full frame DSLR and the last one is a semi-pro camera.
This video is from the standpoint of an everyday user and not a professional photographer. I have picked the EOS-5D MK III as the best value in full frame DSLR today and you can see my analysis of the camera here. Visit my website MichaelDanielHo.com to see photos taken with the cameras.