I am running a 2003 honda civic, with full body, 18's, alpine DVD/Nav.  head unit, Fusion subs amp and speakers, garrett turbo and intercooler and an Apexi super air flow converter, with a micro tech engine managment system, and a compustar turbo timer and car alerm. So the Qustion is what should i do next?  

how about suspension and brakes  

well brakes suspension custom your interior ... you could do a full on motor build for your turbo to get some serious power if you havent already... just some ideas  

Wow looks like you have spent a lot of money on your ride, is it fast yet though? Here is what I would do if I were you… I think you should add some serious turbos, and an intercooler followed up with a crazy *** parasail, I mean a spoiler. The spoiler has to be the right size, like the JDM kids, but enormous and large enough to put a life sized stereo sticker on it. That would be hot. Or you could sell the thing and buy a really nice, fast car… your call.  

i would go suspension since you've done a lot of other things already.  Get coilovers, sways bars, etc.  

The thing sounds  like a nice cruiser try to put some air bag suspension in it that would be ***

peace  

its fast but it cant stop so whats the use. go brakes.