Coilovers. Use the Bilstein struts/shocks and find a spring rate that works for what you want out of the car. Most lower control arms don't have spring perches on the front end so you may end up needing them anyway.
aje makes a pretty trick k-member that you can swap the motor mount perches for different motors (5.0,4.6,bb etc). I wish I bought this instead of my upr
mustang notch 4.6 4 valve
