The US price is confirmed now at $1499. I think they may have a hard sell at that price point given you can get into a D90 or 40D/50D with some upgraded glass for the same price.
The size of the GH1 is appealing for travel, especially with the 14-140 lens. Some reports say the battery is weak given that it's powering the EV all the time.
Remember this is not a DSLR, it's EVIL - Electronic viewfinder, Interchangeable Lens