I love vim, but not having things like IntelliSense/Code completion from Eclipse makes it pretty difficult. I know, I know, I should be able to look at method signatures and jav
I tried eclim for a while. It was pretty good, basically it uses eclipse in the background as a kind of engine and provides a plugin to let you use all of eclipses goodness through vim.
http://eclim.org/
Check out the JDE plugin for Vim. It provides Java omni-completion and a documentation viewer (among other things).