Thanks to Witchdoktor for pointing me to this thread.
As far as I'm concerned, there is NO better paint than SEM Bumper Coater for interior plastic.
I painted my gauge cluster, along with all the "champagne" colored trim inside (door handles included) and it still looks like the day I painted it:
See the mileage on that last pic? Add 40,000 miles to it; that's what I'm at now. The paint still looks like new.
You can buy SEM paints at body shop supply houses. If you can't find one, go to a good, friendly body shop and see if they'll order it for you. It's about $8 a can, but worth EVERY penny. I think I used Titanium Metallic. I also got a can of clear, and put on a few good coats of that, too.
The object is to spray LIGHTLY - just dust each part. After a few coats, you'll get full coverage. I painted all my parts with at least 5 coats of paint and 3 of clear - but by spraying very lightly, you can re-coat in 10 minutes. I did all the pieces on a friday afternoon, then let them sit indoors until Sunday before re-installing, to make sure the paint cured fully.
SEM - there is NONE better.
Feel free to hit me up if you need any help.
~HH