For mounting a radio you can use a universal kit that mounts under the dash like this.
http://www.parts-express.com/pe/show...number=265-926
For the speakers nothing really beats kick panels. No cutting and they look good and sound good.
On a side note I have kicked around the idea of finding someone in the area and installing a system of there liking, I see you're in So CAL, and doing a nice write up for the forums. You supply the mats and an 18 pack. I'll take care of the rest. Shoot me a PM if your interested.