Ok, surely I'm missing something here. I've been side-by-side comparing the Nikon300S and the Nikon90. There's a huge difference in price but I can't really see a big difference in the cameras. The 300s has a faster max shutter speed, a little more control over the ISO rating and faster fps on the continuous drive. Now, while I was a professional photographer back in the days of film, I'm not very versed in digital. Do these differences warrant the difference in price?? Is there a difference between the two cameras that I'm not seeing? Any advice would be helpful! Thanks in advance!