In addition to the Coolpix cameras announcement on September 8th, this is a recap of what is rumored to be announced on September 15th:
Nikkor AF-S 200mm f/2.0G IF-ED N VRII:
Nikon Speedlight SB-700 (low chance to be called SB-650):
Please note that some of the specs may not be accurate and/or lost in translation. [NR] probability rating: 90%.