Finally there's firmware update for my camera, after about half year

Details here

2009/6/1 - Ver 1.3

1. Improved auto white balance performance.
2. Improved auto white balance performance in sunset mode.
3. Improved recovery operation from unremoved lens cap.
4. Improved operation of MF ASSIST/AF area selection.
5. Improved display of Manual Exposure Assistance.

Hope that my camera will really be better :)