ePhotozine posted a full set of pictures with four MFT lenses. Two of them are the newly announced 24 and 42,5mm lenses. These are all four lens details:
Minimum focus distance of 15cm. 9 elements in 8 groups and uses ED lenses in order to minimise chromatic aberrations. It weights just 246g. Price $289.
This is a relaunch of the already known Mitakon 35mm 0.95 (here on eBay). The lens features 10 elements in 7 groups, with 10 blades and 30cm min focus. It will be available for 799 USD.
7 elements in 9 groups. Price $349.
It will be available for 899 USD.
Some image samples taken on the GH2 with the new 42,5mm lens can be seen at Zyoptics.net.