I finished this earlier today. I really enjoyed it! The bugs were a little annoying and it got frustrating on a few occasions but overall it was a great game. The one main thing that really struck me as actually being worse than 2/ Brotherhood was the economy aspect. Outside of the tuotorial for it I sent one convoy somewhere and noticed no benefits for it, I missed not being able to upgrade stores, I looked at buying new weapons twice and only bought something the first time and there was no armour to buy at all. I think if they'd have kept all that as it was in 2 it would have been the better game.
Still, I really enjoyed it and will be going bak to finish some missions and the like.
XBL/ PSN/ Steam/ NNID - MatMan562