Yeah, I tried that awhile back and it worked pretty well. The far-right keys can be a bit finicky to get working again, but careful futzing can bring it back to life. No idea what the issue with the enter key might be, though...
I've always really liked the shape of the MS Natural elite, even compared the other MS Natural keyboard (which considered superior by most). I used it as a daily driver years ago, and I still have my modded one stuck in storage with my Bottomless Bucket of M's.