FTA: "My sole complaint about the interface is that some of the buttons are flush with the body and hard not only to feel, but to press. This includes the movie record button, which provides little tactile feedback and the Q Menu button, which is simply too important to be so hard to feel. The silver buttons are also etched, rather than labeled, and it's nearly impossible to see the etching in dim light without tilting the camera toward a light source.
Before we go on to the main dish, here's a reader commentary on the same Engadget page:
"Why does everyone simply forget panasonic G3? It has the same sensor as GX1, marginally bigger body but with EVF builtin, an extremely handy tilted screen with touch focus and same resolution as gx1. It's basically the same or even better than GX1!!
These "short & sharp" reviews are pretty amazing, they reallt live up to their name:
"A short, sharp review of the GX1, Panasonic's mirrorless system camera for the discerning enthusiast. Tested alongside the Sony NEX-5N to see which one comes out on top. View at 1080p to see sample shots at 1:1 pixel ratio."
Stuff-Review has made a nice little chart that pits the newcomer against the almost established crowd. That's all pretty theoretical though, since 3 of the 4 cameras are practically not available in the majority of the western world: