I used a D300 for 4 years and loved it. Upgraded to a D700 which I have used extensively for all manner of bird/landscape/macro photography. Just picked up a D800E a few weeks ago and took a break from the Ohio winter to run around South Florida and Merritt Island for a few days to try out the new body. Bottom line: D800E performed spectacularly on landscapes/reflections/sunsets etc. The birds and wildlife did not show any consistent remarkable differences on up tight shots over the D700, but did improve the distance shots. The ability to crop up to 70-90% with the D800E and produce really sharp images is appealing. I generally don't like to crop much unless I have to, but the most I am comfortable with using images from the D700 is 40-50%. I have to agree with Jim that most any camera I have used in Florida and South Texas seems to perform better. Sure would love to have some of that great light in Ohio year round! In case anyone is wondering, of the 102 images I kept of birds from my Florida shoot with the D800E, only 2 showed any moire of consequence, and only one of a Lesser Scaup (head) was enough to fret over-not nearly as bad as I had feared. I attached a couple shots to compare: A winter male Cape May Warbler and Red-tailed Hawk profile with the D700 to compare with a Burrowing Owl and an Ovenbird (the other moire-afflicted shot) from my Florida trip two weeks ago with the D800E. I probably wouldn't have purchased the D800E just to chase birds, but I can't wait to get on some waterfalls, night skies and landscapes with it.