I had two E39s, a 540 six speed and a M%. Neither the E60 or the F10 can compare based on sheer driving fun. E39s seem to handle better and have more responsive steering. However, having said that, the F10 is so much more refined that the E39. All other features of the car are outstanding. You will enjoy the 550i.
2011 550i, Black Sapphire, Black Nappa Leather, ZSP,ZDH, ZP2,ZCV,ZDA.SAT (delivery on 6/26/10)
2011 X5 xDrive 35i Sport Activity, Black Sapphire, Black Nappa Leather, M Sport (delivery on 5/28/10)
Previous BMWs: 2006 E60 550i, 2001 E46 330cic, 2003 745Li, 2000 M5, 2000 540i