OK so I originally had thought I wanted an Alias due to the Proxy comparisons, as a longer Proxy would be ideal. But then I read through both the Axis and Alias threads and there was some grumblings that the Alias lacked glide whereas the recurring theme in the Axis was glide glide glide, longer buzzz, etc. So this gave me pause and thought Axis might be better suited for the (faster) Proxy/Envy pairing, since I know that if I only get an extra 15 ft or so from an Alias I'll probably end up throwing my proxy every time because I'm so comfortable with it. . . But maybe I took peoples' comments too much to heart.
Additional context: the Buzzz I have (gummy esp) does not get me a lot of extra distance over my Envy - maybe 15 feet. I do have an M4 from Prodigy that gets me an extra 30-40 ft. I'd ideally like that kind of separation but a little more hss but minimal fade