Holy Bajeezers! I'm on the 360 too, but it could never capture my attention for that long!
Well to be honest by the last 20 hours I was just playing it on instinct until I finally snapped out of it and thought to myself "Why the hell am I playing this?".
I don't think I'll ever be able to play Fallout 3 again after all of that.
Too much is too much.
Was a great time, had a blast, but now it's buried and locked away in my 1 cubric-meter dirt-cellar and is never to be take out again.