I like the size. Not that much bigger all round than the K-5 I have on my desk in front of me.
I hadn't been planning to buy this thing for quite a while; I'm quite content to wait it out. But the relative compactness of it appeals to me. A lot.
It interests me that we have no clear shot of the side of the mount where the aperture coupling arm would be in a film camera. We have no clear idea what's going on in there at all. This gives me hope.
If they get this thing right, and I think they will, it will blow the opposition away, regardless of how late it is. Give them time to make it perfect and quit your impatient whining, people.