Purchased car 10 days ago and absolutely in love! It's beautiful inside and out - nothing in its class can compare. The ride is smooth and classic Buick, but the steering and peppy engine is all sport! The interior is classic with supple leather and well designed dash. Very quiet to outside road noise. Mine came with the RL5 package - I think there is a RL6 package that would add navigation, but otherwise the car is loaded. Plenty of room in the backseat for passengers and the trunk has plenty of storage with fold down rear seats for extra room if needed. You have to drive this car before deciding to purchase an Acura or Lexus - I don't think they can compare.
interior features, front and rear exterior look, quietness, XM radio