There still is a huge push to consolidate PBG stores
http://money.cnn.com/2008/01/19/news/companies/bc.gm.dealerships.ap/
Found this interesting
2006 New cars and light truck sales per dealer
Toyota: 1,821 *includes Scion
Chevrolet: 586
Lexus: 1,479
Cadillac: 154
I think the excess of dealerships only hurts GM.