I liked Ace's tone but I don't consider it the pinnacle, just more like a gold standard LP into Marshall rock tone which is damn tough, if not impossible to beat for that kind of music and has been proven time and time again. Toss a '57 on there and it's beautiful. Even though I'm a Fender guy now my first real amp was a Marshall. I should've gotten the JTM45 but I was a wild eyed kid and wanted big and loud so I got the 100 watt plexi. I didn't have anyone to guide me so I had to make a lot of mistakes and spend more money and time getting to where I wanted to be.
My amp tech recently offered to build me a bluesbreaker clone for 3000-3500 bucks. This sounds pretty good with an LP: