Am I missing something here? Sublime's an editor last I checked. So's vim. If you want a vim-flavored editor, why not just, I dunno... use vim? Wouldn't this be a bit like building a 'vim mode' for emacs?
Sublime Text has a much better GUI front-end than gvim or MacVim. So for someone who doesn't want to work in a terminal and wants to use a GUI based editor, they may feel that a fully featured vim mode in Sublime Text would offer the best of both worlds: rich keyboard-controlled text editing and a beautiful front-end GUI. I just use vim inside tmux, but that's mostly because I have to write a significant amount of co…
My personal preference is vim in a quake-style terminal (yakuake on linux or iTerm2's hotkey window in OS X) with a minimal amount of transparency so that I can "read through" the terminal and see whatever's in the browser/document window behind. After getting this set up, it's going to take a lot for me to switch back to an IDE full time.
And yeah - gotta love screen/tmux.
I personally try to use a minimal number of plugins. Command-t is the only one I use daily. I gave eclim a shot for java stuff, but ultimately found I didn't use it very often. It's better to just not fight "the vim way," though I definitely see how that's a barrier.