On the bright side, those 2012 springs are $47 ea. compared to $72 for the 2008 springs.
http://wholesalesmazdaparts.net/par...iteid=218122&vehicleid=375741&diagram=5461675
Spring seats are $13 ea. vs $6 ea. on the 2008.
I got rid of my 2006 MZ5 and bought a 2012. So with my new MZ5 I got the new updated springs and seats. I did however keep my 1st gen MS3 rear sway bar that I picked up used from eBay and installed it back into my new 2012. I am using OEM MS3 end links and Prothane sway bar bushings and brackets. I also upgraded to rear KYB Gas-A-Just Monotube shocks rather then the weaker twin-tube OEM or even KYB GR-2. I've been a happy camper and continue to be for now almost two years (counting both 2006 and 2012) with the upgraded rear suspension.