I posted this last week:
http://www.dodgejourneyforum.com/topic/9060-2011-journey-grinding-or-rubbing-sound-when-i-accelerate/
Anyway, as a followup, the dealer told me that it was the engine and transmission mounts that were bad, and they were replacing all 4 for about $1000. Just wanted to know if this should be considered a part of the power train warranty, since it's under 60K.