Currently having a Lumix promotion on Amazon - buying a GX1/GH2/GF5/G5 will qualify for following discounts on lens:
Save $50 on the Panasonic Lumix 14-42mm f/3.5-5.6 G Vario Aspherical MEGA OIS Lens.
Save $75 on the Panasonic Lumix G X Vario PZ 45-175mm/F4.0-5.6 Lens.
Save $100 on the Panasonic Lumix 100-300mm f/4.0-5.6 G Vario Aspherical MEGA OIS Lens.
Save $200 on the Panasonic Lumix G X VARIO 12-35mm/F2.8 ASPH X Series Lens.
Discounts apply only to products sold by Amazon.com. See full details and related rebate offers.

GX2 and GH3 coming, so GH2 is now $679 while GX1 $460 on Amazon (USD)
Currently the 12-35 lens is $1199 so looks like a sweet deal with either camera to enjoy the discount. Add the vpost shipping charges, it seems like a pretty good deal.