Searching for '07 MX5. Going to look at a 6-speed car on Sunday. Based on the VIN, the friendly voice at Mazda Customer Service says the car came equipped with the suspension package including Bilstein shocks and LSD.
Links:
http://forum.miata.net/vb/showthread.php?t=221214&highlight=lsd+phone
http://www.mazdamotorsports.com/webapp/wcs/stores/servlet/StoreView?langId=-1&storeId=10001&catalogId=10001
http://forum.miata.net/vb/showthread.php?t=470896&highlight=msr+package
http://home.comcast.net/~mazda_mx-5/index.html
http://forum.miata.net/vb/showthread.php?t=236811
http://forum.miata.net/vb/showthread.php?t=479638&highlight=msr+package
http://www.sccaforums.com/forums/forumid/19/threadid/42290/scope/posts/threadpage/3
Parts list:
5 speed
Mazda LSD
Mazdaspeed chassis braces (3)
Sway bars, 27F, 19R, solid, non-adjustable
OEM Strut brace
Springs 124/114
Koni Shocks
Oil cooler
17x7 +55 wheels
Bumpstops
Urethane steering wheel
Rear trunklid spoiler
End Links
Air Filter
A/C optional