I know the thermal Imaging is much better than IR, but for the cost difference is it really worth it? I currently use IR on the front of my 2 but I have also toyed with the idea of switching to thermal. some of the best bang for the buck stuff that I have found is FLIR pathfinder.
http://www.youtube.com/watch?v=66ii-_cjiDI
This system was quoted to me at 2500.00 new.
Thanks
B