I completed the Mass Effect trilogy on XBox a couple of times, but decided I wanted to experience The Citadel DLC in all it's glory. That can only be done on a PC (graphically speaking) - although I much prefer the controller to mouse and keyboard (and I'm not sure graphics for controls is a trade that I'm all that happy with).
I didn't fancy starting another Mass Effect 2 playthrough, especially having an incomplete one at the moment - so I imported a save from masseffectsaves.com. There were a couple of unturned stones (such as recruiting the thief, and as you'll see here, the Lair DLC). Before I embark on Mass Effect 3 again, using this save, I'm finishing off the entrails in Mass Effect 2.
Here's the Lair playthrough: