It would be nice, when merging incoming data (from like an OFX file) if you could highlight items in the "possible match" section that have already been merged, so I don't merge them again (or remove them from the list entirely). This is becoming more of an issue since iTunes has started to bill for each song purchased individually (instead of in one go) so when I have like 55 entries on the same day consisting of only two different costs (I do indeed have those kind of days) I know which items I am merging with.