Not sure how long it's been, but I'd definitely say get used to thedefault UI stuff that's been added since you last played, as well as recent changes. That at least makes it easier to figure out any outdated UI's.
I believe ProfitUI is fairly popular in terms of of useful, without being overly complex looking.
You can check out the couple modifications I've got going in the works as well:
http://www.eq2interface.com/forums/s...ead.php?t=2038