Came across V-KOOL. Looks like it is the true champ of high performance tints. It's properties are superior to 3M's new Crystalline tint. It also doesn't hurt to know that V-KOOL was chosen as one of the top 100 inventions of the past millenium by Popular Science and is used by NASA and the US Airforce. Here are the specs:
V-KOOL Clear 40 (vs. 3M Crystalline 40)
42.8% Visible light transmitted
64.5% Total solar energy rejected (vs. 59%)
98.3% Infrared rejected (vs. 97%)
>99% UV light rejected
10.3% Visible light reflected (vs. 7%)
?? Glare reduction (vs. 56%)
?? 79.3%* Solar heat reduction (vs. 50%)
*sum of TSR and TSA below; my guess only
Other specs:
20.6% Total Solar Transmission
25.7% Total Solar Reflectance
53.6% Total Solar Absorption
0.35 Solar Heat Gain Coefficient
0.42 Shading Coefficient
http://vkool.publishpath.com/window-film-specifications