What's initeresting is that neither the Mustang nor the Camaro are doing particularly well sales wise. 5000 a month is pitiful for both and tells me that this is a price point issue that could be solved with incentives or a lower MSRP.
Another point is that GM has taken the markup out of their cars for the dealer so if the buyer gets $1500 off he doesn't feel like he got a good deal, even though that's all there is to give.
Thirdly is that the Camaro's interior is just pretty awful. They could have done so much better with the steering wheel, soft touch plastics and interior design that was more grown up and less concept car.