I've gone with Eibach sportline 1.8' drop w/ Koni yellows and so far this has been the best set-up for me (well.. i am also comparing this set-up vs my other coilover + shock ebay package).

As far as your diy?

http://www.team-integra.net/sections...?ArticleID=494

If i were you, on a budget:
Here's some package products: http://www.importhorizon.com/shockpringpckg.html