I use firefox Pale Moon x64 build and nothing is perfect.
How do you find Pale Moon? Have you compared it against Waterfox (the only one I've tried so far)?
I have used both of them but Pale Moon takes less Ram Usage as compared to Waterfox.
Used to use opera but got sick of it (can't import bookmarks in new versions.)
But stick with Waterfox it's better than Pale Moon imo. I have a crappy laptop that's why i uses Pale Moon, heating concerns me.
Less Ram Usage and high performance than others out there that's a Win Win for me.
I also found these benchmarks online you can check them if you wants to. Cheers.
http://forum.palemoon.org/viewtopic.php?f=15&t=1109