I purchased one a little while back and had it stored out of view but last week I had it out and the wife walked in and saw it, well I have to order a replacement now as she is now keeping it !
It took getting use to especially since I use the Flex 3401 also. I only use a very small amount of compound/polish and I turn on unit to level 1 and move it around the area I am working on. After it...
I looked at all the info on the paint sealant and I can't find a temperature range but I have used it here when it was in the 40's. The biggest issue is moisture for the first 12 hours, in a garage...
Sort of two different things, if you do more then auto detailing, PDR work, wheel refinishing, etc. I would go to the Tech Expo. If just detailing then it would be Detail Fest.