My shop recommended a camber kit for the rear wheels when they installed the springs. I didn't think it was as expensive as the one listed. I don't recall what brand it was but it was under $150.
'07 Audi A8 (w/ 20,000 miles)
'03 745Li (sold)
'03 Acura TL-S
'02 Infiniti QX4 (sold & new owner totaled it 4 hours later)