Hi ian h,
Basically what mattc said. I'd either pay a professional to detail the car and expect to pay in the region of £300 for a proper paintwork correction. Or hire/buy an orbital polisher, get some AutoGlym Super Resin Polish along with a good wax and expect to spend your entire sunday sorting it out.
Here's what 9hrs got me on my Astral black IS300:
Products used were: Orbital Polisher, Merguiars polishing pads, Dodo Juice Lime Prime, Dodo Juice Purple Haze.