actually it seems like new firmware is slightly worst then the current one.Better sharpness and colors in photos.
These are cropped from originals:
Through the window:
http://i49.tinypic.com/2em0l77.jpg
Indoors without flash:
http://i46.tinypic.com/4re169.jpg
Indoors with flash:
http://i48.tinypic.com/2i8axiw.jpg