Here's the link to Honda's HFP site listing what's all included; http://automobiles.honda.com/civic-si-coupe/hfp.aspx
Personally, I bought a sedan, HFP wasn't offered to me. That said, I already bought the wheels and I'm putting in the suspension here in the next few weeks, which are (to me) the best parts of the whole HFP package.
Cool! Not too concerned with drop. I want to improve the ride feel. I like a rougher ride like my STI had. I love wrapping corners and feeling the "rails" ride