i think the longest will be to reach level 30 online depending on ur skill. overall its a very good list and incant wait to get started.
GT: MASS D0MINATI0N 111 completed games 82 Retail - 29 Arcade
Mass Effect 3 - Liara & Garrus conversation:
Liara : Did you really take out three Blue Suns mercs with one bullet?
Garrus:Nah of course not... The third guy had a heart attack. Not fair to count him.