In my experience with Amigo on my truck (07' Black Sand Pearl Tacoma) all it did was give a deeper shine. When you put a light on the paint the metallic is still very noticeable. I find Amigo give the paint the last extra pop in non-direct light but does not interfere with metallic. Amigo is...
Great job! Those water spots look like they where a real pain to get out. The exhaust tips also look outstanding. They really tie the rear end of that car together.
Psh. I have a shiny "Beater". My "non-beater" is an 89! I couldn't bring myself to just not take care of any car I own. I'm just too much of a perfectionist not to take care of it.
There is a great write up from a forum member, Scott from Increibly Detailed. It gives you everything you would ever need to know about MFs. $100 will get you a good amount of MFs.
The Microfiber Manifesto: Everything You Need To Know About Microfiber Towels