Rumors are continuing to mount for Nikon's latest DSLR monster, christened the D4. The last we heard it was going to be unveiled at the event in Hong Kong this Friday, along with a spiffy new 85mm f/1.8 lens. Now some financial press cables spotted by Nikon Rumors suggest that the camera will go on sale sometime in February. An exact date wasn't provided, but the suggested retail price is listed at a whopping $6000. THat puts the D4 in between the current D3x and D3s models.