WipeNew, my friends. WipeNew.
You probably have seen the TV commercials and thought they looked cheesy, well they do look cheesy, but by golly this stuff WORKS.
I did the faded A-pillars on my car 3 or 4 years ago and they still hold a deep black sheen, after just one application.
I recently had my bike torn down for the 12,000 mile maintenance and decided to do all the plastic stuff. After just 12,000 miles in the Florida sun, they were already starting to look dingy. This stuff puts a DEEP black wet-looking sheen on everything... and it's pretty much permanent. No more Armour All'ing every month for those who like their bikes to look detailed.
Some of the plastic bits like the meter panel seem to have some sort of reflective stuff embedded in the plastic. This stuff makes that really pop and glisten kinda sparkly in direct sunlight.