Played the first few missions. The controls are pleasantly surprising. IMO, they're great. I was expecting crap controls but it works extremely well.
Only thing I have to knock so far is the speed with the 3GS. Runs slowly and would love to see it on the 4 or 4S.
Intel i7 930 | EVGA X58 SLi | Corsair 12GB DDR3 1600 | EVGA GTX470