How much mega pixels do y'all have? I am shooting with a Nikon 5700 with 5.0 MP's. The biggest thing I've found with low lite is turning off the auto focus (I set mine on Infinity and that shuts down the auto focus) and then if you aren't using a tripod, hold the camera as steady as possible to keep from losing a sharp focus, which is really tough to do at 1/4 of a second.
PJ, drop me a line when you come to Ft. Myers (I'll be in Key West in mid November). You can get some great sunset shots on Ft. Myers Beach, too, like the one below. The sky looked like it was on fire.
