randy82103 (and whoever else) - I wasn't complaining about the overall price of the paint, I was commenting on the difference between the ordinary and Chameleion prices.
A good single-color paint job on an Impala SS should run at least $4000. If the same job with Chamelon paint costs $7000, then, since labor and everything else is the same the price difference of the paint itself is $3000. How much paint are we talking about? The Impala SS is 214.1" long, 77.5" wide, an 54.7" high. As a rough order-of-magnitude surface area the top (hood, roof, trunk) is 214"x77" = 16.5K Sq In. The sides (fenders and doors) are 214" x (54.7"/2) each, or 11.7K Sq In total for both. That's 28.3K Sq In for the whole paint job. Now, how much paint does it take for a 5680? It's 13" x 11.4". It needs to be painted on the lid top, inner top, bottom, and sides, so call it 13"x11.4"x3.5 = roughly 520 Sq In.
So the Impala has about 54 times as much surface area, and hence requires 54 times as much paint as a 5680. If the difference between normal and chameleon is $3000 for the Impala, it should be $3000/54 = $55 for the 5680. Yet the listed price difference on the PCTorque site is $620 - $420 = $200, or almost 4 times as much. (Oddly enough, $55 is about the difference in price between the normal and chamelon of the old prices...)
I just thought that was odd.
Of course, if, as Adam said, it costs $300 for the chameleon paint for the 5680, multiplying that by 54 gives over $16,000 for enough paint to cover an Impala. Which is clearly not the case. Of course, if you look at the amount of paint wasted on overspray, the car's panels are large monolithic pieces with well-defined edges, allowing for minimal overspray. Meanwhile the laptop's pieces are small and complex, which would cause vastly more wasted paint due to overspray. Assuming the cost of the Chameleon for the car is about $5K, that's a factor of 16.7 in the amount of paint. And the $3000 difference for the car over a factor of 16.7 is $180, which roughly matches the price difference at PCTorque.
So it's probably safe to say that unanticipated paint waste due to overspray is a large contributor to the price jump.
Anyways, it's basic economics. Everyone has a certain price point which is the absolute maximum amount they would pay for an item. If you offer me a top-quality high-gloss chameleon paint job, that's evidently worth slightly more than $340 to me, but is not worth $670 to me. Judging by how much I debated it getting one in the first place, my own price point is probably not much higher than $340.
Anyways, if the painting method can be made more precise to minimize the losses from overspray, then the price can come down without sacrificing quality. Unfortunately, that probably reuires new harware for the painting process, which means it's not going to happen unless there's widespread demand for the more precise machinery.
As for the clearcoat issues, I always thought that a bake process would have to be used to properly dry the paint. A while back, I asked about whether this would damage the batteries or other components that can't be seperated from the pieces that need to be painted... Just one more thing to worry about.