Nikon just posted new firmware for the D300s, D3, D3x, D700 cameras. The fixes include support for 64GB cards, improved white balance, changes to auto focus tracking lock on (menu a4), some GPS improvements, and some other bug fixes.
Here are the links:
D300s A/B 1.0.1
D3 A/B 2.02
D3X B 1.0.1
D700 A/B 1.0.2