looking real good, was gonna ask how you sealed it up. most people tape off the trunk with masking tpe and trash bags and then fil the gaps with expanding foam. ive heard that gorilla tape is a great way to do it to though.
if you go with crutchfeild or sonixelectronics for buying your deck then they will list all the acc they sell for that car and deck. should list the needed wire harnesses for the sat radio. i got my pioneer deh 80prs from crutchfeild and it came with the dash kit, wire harness and antanne adapter for free with free shipping all the way here to alaska.
hn155: Rockford punch pro speakers, t400.4 deh 80prs, full audio build to come. working towards 175hp n/a, simple but fun.