I'm going to try with something cask strength tomorrow. Supposedly higher ABV is where the NEAT glass really shines. I imagine intricate, albeit smaller, cocktails would be really interesting out of these.
First test, HP12, one of my benchmark malts. The NEAT glass is far superior to the Glencairn. The HP tastes almost abrasive out of the Glencairn compared to the NEAT and the aromas are full of alcohol that the NEAT hides. I was not expecting such dramatic results. More tests are in order.