I'll add to the requests for some kind of formula / equation support. I'm trying to switch to Evernote (from Open Office) for my note taking this semester (going back for an MS in CS), and just ran into a brick wall for my set theory notes. *edit* But huge kudos to the Evernote crew for their excellent unicode support. I'm able to do a kludge via pasting in quite a few of the symbols I need (I've made a small text document cheat sheet of the common ones I use). Not the most efficient way to do notes, but that and the eat.latex tag may make this workable. A few weeks will tell.