Not really, a £70+ Noctua can't beat a sub £30 Titan Fenrir.
Depends, if you have Intel and no RAM heat spreaders, then it's great! Of course, the Titan Fenrir wasn't out a year and a half ago when I built my present system. Also, if Thermalright ever changes their flimsy installation procedure, I might give them a chance with later systems. I do have a couple of their heat sinks on some older systems, but decided to not go that route early last year.