I wouldn't use an expensive primer on new drywall...I'd just paint directly and skip priming it.
Your probably not getting the square footage because most people paint way too thick on the first coat.
Check these videos out ... http://www.expertvillage.com/information_631_building-remodeling.htm?it=1&cats=9
Your probably not getting the square footage because most people paint way too thick on the first coat.
Check these videos out ... http://www.expertvillage.com/information_631_building-remodeling.htm?it=1&cats=9