Chemical Guys Celest Dettaglio (V1) Condition: Applied to two small cars. Price: $150 shipped UPS Ground anywhere in the Continental US. $155 shipped UPS Standard to Canada. AQuartz Nano Coating Condition: Bottle is at 50% (20mL). FYI...I have done two cars with this amount. Price: $25 shipped UPS Ground anywhere in the Continental US. $30 shipped UPS Standard to Canada.
Price drop: AQuartz: $21 shipped US. $27 shipped to Canada Celeste: $140 shipped US. $145 shipped to Canada.
I've never used Opti-Coat/Guard. I do know some people experience high-spotting with these OPT products. AQuarts was pretty easy to use when going with Dave's method (see here). Bob also recommended using a 100 PPI foam applicator for great results.