“A.”, a friend of The Online Photographer has summed it up nicely (while I’m danc­ing around proudly of this com­ing attraction):

By show­ing just how com­pact a full-frame cam­era can be, it’s hard not to think the M9 will serve for years to come as a bench­mark in “large sensor/small cam­era” discussions.

A lit­tle objec­tion to Mr. A: I’m young and I con­sider myself dig­i­tal, but I’m well aware of how bril­liantly small M cam­eras and its lenses are!

Read: The Online Photographer: The World’s Most Compact Full-Frame Camera