I've recently made the switch to VimFX as a result of this and I have to say I couldn't be happier - it may not have some of the more powerful features (that I'm unaware of) but it definitely gets the job done.
I also switched to VimFX from Vimperator, and it blew my mind how much faster Firefox suddenly became! I used to simpathixe with my friend who switched back to Chrome "for it's speed" but without Vimperator, Firefox is waaaaay snappier than Chrome (on my machine). It made browsing a fun tactile experience again!