I've been going on a mini-merging spree consolidating the blatantly obvious dupes, and I'd like to request two tiny enhancements to the Moderator Tools question-merging functionality that would make it much quicker and easier to use:
If a question was closed as a duplicate offer that as a radio button
(the same way we offer other people's duplicate choices for "close as duplicate")
This point withdrawn for the reasons @kev mentioned below -- This speed bump makes sense to prevent merging "duplicate questions" which aren't *exact* duplicates)
AJAX up the question lookup so when "lookup" to make sure I didn't mess up the ID
(again, the same sort of behavior as "close as duplicate" has)