05Bill,
Prices went crazy the last 2 years (along with everything else). It used to be $10/sf for basic buildings, plus insulation, foundation and erection. Now it's over $25/sf. Erection and foundation can vary quite a bit in different areas. Only plus is the prices have stabilized and seem to be creeping down a bit. With the continued recession they should keep getting better I think..If you PM me your location and door count/sizes I can run a building in the pricing software and get you price.