Panasonic G3 announced with full review and sample images (including raw) at Photography Blog.
Panasonic Lumix DMC-G3 Review | PhotographyBLOG
There's also a preview, with samples at Dpreview.
Panasonic DMC G3 Preview: 1. Introduction: Digital Photography Review
Here's a Panasonic promo. video.
Also in an interview with Panasonic on the Photography Blog site - Panasonic G3 Question and Answer | PhotographyBLOG
This little gem came out.
Question: And there's a new lens to go with the G3 isn't there?
JM: “Yes, here's the first working sample of the 25mm f/1.4; really eagerly anticipated and not planned for launch until the second half of this year. It will be Leica approved and branded."