one of the guys over at Autoguide was lucky enough to test drive one of these beauties. he goes over in detail the finer points of the car as well as a back story to why buick wasn't selling well until recently. click the link to view his full review of the car as well as pics of it in action.
2011 Buick Regal Review: Car Reviews
2011 Buick Regal Review: Car Reviews