Thats an awesome finish! Im a spraypainter (Automotive) and if you didnt see that vid I would swear that was sprayed on 
Here's a VN commodore painted with the same (well similar) method.
forums.justcommodores.com.au/threads/diy-painting-your-car-with-rollers.76882/
He does not use a brush after rolling the paint on though, and still gets a perfect finish.
I actually attempted this on an old VS commodore I had... I got fed up about half way through but I got a couple panels looking damn near perfect. No clear coat or anything required.
Thanks for that , great method .
Gloss enamel finish is top of the range in house painting , preparation and thin top coats is the key.
Don't have sound here , was that polyuothane or enamel ?
Wattyl paints do a two pack paint that can get the same finish it has a self levelling property additive just like the clear coat they add to surf boards. I worked with it upside on all the white areas on the headliner on my yacht.
^^^ You got a stripper pole in your yacht?! Awesome!
As for brush & roller, a good wet-coat with a slow-curing flow paint & anything's achievable...if you have patience & a good technique like that guy does.
