I like my cameras big. And heavy. Big means plenty of space for controls. And heavy is steady. But then, I wouldn't use an SLR for casual photography.
An SLR is a tool (a tool for making images). Ugly isn't an issue in a tool, because if the thing is easy to use and works well, we forgive its appearance (The corollary of this is 'if a thing doesn't work well, it doesn't matter if its pretty, it remains useless!')