I rode yesterday evening, and stopped by cyclegear to see if they had the neotec in - they did. Molested one for a while, I like it, and it will probably replace my multitec in the future. Not for a while though - at $650 retail! yikes. I like supporting my local CG so I'll watch for sales and give them an opportunity to price match.
Back to venting, though. I had to come home and go back out again, sun was setting so I switched to my Icon Alliance (bright colors and I keep the clear shield on it). With all the vents open, I still needed to crack the visor to get as much as air I was getting with the multitec (visor closed) a couple of minutes earlier.
I'd never really compared them that closely, but the difference is quite significant.