[hf]

As with many of Vim's questionable but ultimately effective interface decisions, I have found 'chronological undo' to alleviate all my undo-tree-related pains: Step through the undo tree sequentially with 'g+' and 'g-' until you've found what you're looking for.

[hyp0]

whoa, just tried it, works and makes sense! It just undoes everything, including undos; but not g-/g+ themselves (which are purely browsing). Nice SO ans: http://stackoverflow.com/questions/1088864/how-is-vims-undo-...