hmm didnt realize that you had an 08. A good start would be to look at our sponsors. Here is a link that might help http://www.tirerack.com/suspension/S...8&autoModClar=
You could pair the Eibach prokit with the kyb shocks/struts.
That combo would be around 450. However if you can spring (pun) for it I would go coilovers. You will get much better ride quality than any spring/shock/strut setup. I will let you look up the benefits of coilovers yourself.
I had the frpp kit for years and recently upgraded to coilovers. The difference is absolutely ridiculous. If you have the money go coilovers. You will save yourself money in the long run!