I quickly re-sold my partial-length UQ for the same reason. Went back to my trusty, full-length, JRB UQ. That's the best for body-mapping comfort, IMO - and pads rob you of some of that cradling, rendering the hammock less comfy.
I haven't found pads of any type comfy in a hammock, including my NEOAIR (I have the same pad you reference). A wide Neo in my Bridge hammock works best, though. While some hate the noise, it's never bothered me, and I move around. Thing is - when I "settle" into postiion, I fall asleep so there's nothing to hear. It's not that loud for me anyway.
Space blankets of any type won't do the job - you'll freeze in any kind of cooler weather.