1200g on Left 4 Dead 2. The Passing achievements are all easyish to get. Hurry up and get Live - I have three people added who want to get the strength in numbers achievement. It's just having them all online at the same time that's the problem.
Did the first campaign on expert by myself. Only died once because of the bots and their inability to punch a smoker. I was dreading that one the most. The bridge one will be hard too, but doable if I take my sensibly take my time.