200 isn't a bad price if it comes with all the suspension links & uprights. If it comes with the stock sway bar, it is a very good deal.
Cradle mounts: Bushings on 84-87 and no bushings on 88
Suspension: Lower A-arm on 84-87 and Tri-link on 88 and optional swaybar
Suspension pickups: Inside cradle on 84-87, on top of cradle on 88
Side rails of cradle: angled on 84-87, parrallel on 88's
Engine mount pad: much smaller 84-87, much larger and heavier on 88.
84-87:

88:

Cradle Dimensions
84-87:

88:

[This message has been edited by fieroguru (edited 05-28-2009).]