I'm looking for colorful, "contrasty" images from a 5d at maximum resolution, RAW format preferred (so I can tweak it without loss.) I'd like to compare a print of my image to a print of yours to determine whether my Rebel's lack of resolution is robbing me of some beautiful prints. I've recently picked up an Epson R1800 and have been making prints of images from my digital rebel. The print size is enourmous - the common format for this printer is 13x19 in, which are almost exactly the dimensions of an ACD 23in. However, at that size, the prints seem either grainy or pixelated. Images from 5d preferred, but other high resolution shots are fine too.