If you have good quality standard size bino's, a good scope, top qualilty 15's, and just need your next optics fix to calm the nerves. I feel your pain, I'm at the same point.
I would look at some of the astronomy glass. They are very large, 8 to 10 pounds, and require a very stable tripod. I wouldn't go above 25 power because of the heat waves. I also wouldn't go below a 4 to 1 (objective to power) ratio no matter what power you buy. A good starting place would be binocular.com. They have a large selection with the more popular brands having many reviews.
I have used the doctors and they are excellent, but this type of binoculars fill a very narrow niche in hunting and I can't justify the money. The astronomy glass is anywhere from a few hundred to a thousand. I'm in the martet at those prices.