I have and have had most all the steel rings mentioned in this thread. And I have a few rifles with Talley Lightweights and a few with Burris Signatures.
But for me Leupold Dual Dovetails are my favorite all steel ring and base system. Just simple, snag free sleek, and super strong.

"Then join in hand, brave Americans all!.....By uniting we stand, by dividing we fall"