I have a calphalon that I got from William Sonoma several years ago.(it was also on sale) I tried the disposables one time, used 2 together for a little added strength. I don't recommend it. Also getting the carmelized bits off the bottom to make gravy was a hassle.
I can resist anything, but temptation. Oscar Wilde
I bought a Circulon on sale a few years back and like it fine. The disposables are just too flimsy and dangerous in my opinion. Plus, the disposbles are a detiment when it comes to making gravy. I think that 25 pounder will be a close fit - you might want to put it in the pan before Thanksgiving to be sure it will fit. If my memory is correct, I planned to buy a KA, but the handles were mounted on the inside and resulted in too tight a fit.
Otter - good suggestion about looking at the way the handles are positioned. I have a Calphalon and mine are mounted Up - not out - I have double ovens but they are the smaller ones - it never would have fit if they were mounted out.
"Count yourself...you ain't so many" - quote from Buck's Daddy