Here is a video review by Joel Chat about the RamperPro. He calls it "My new favorite day to night device".
Links[1] http://elysiavisuals.com/article/blog [2] http://elysiavisuals.com/article/technology-corner [3] http://elysiavisuals.com/article/time-lapse-photography [4] http://elysiavisuals.com/article/ramperpro [5] http://elysiavisuals.com/tags/ramperpro [6] http://elysiavisuals.com/tags/review