Restoring White Paint? Price to re-paint?

[455Olds]

The old boat is starting to show her age. I suppose after 30-ish years you're allowed to show some wear, but I'd really like to make the white whiter and the blue brighter... (sounds like a laundry soap advertisement) Anyhow, does anyone have any good tricks, or know of some good rubbing compound products to make yellow-ed gelcoat look white again? How much am I looking at just to bring it in and have it sprayed?

[SOCALDETAIL1]

Try wet colorsanding it with 2000 grit then compound with 3m super heavy duty compound then follow up with a cleaner wax. Should look good after a solid weekend of work. Mark (SO-CAL DETAIL)