I've only had an iLok for years, and never needed an e-licenser up until this week when I decided to try the full Cubase demo. Cubase Essentials impressed enough with its midi tools that I felt that I simply had to try the full version to see what additional things it brought to the table before I settled on a route to take once I am done using Sonar (whenever that happens).
So, it cost me $40 (Cdn), and it allowed me to try the full version and I'm glad I did as I think Cubase Pro 9.5 is a pretty good program for what I do (mainly a LOT of midi work), and right now I'm seriously leaning towards buying it, since it won't often be at this price.
I'd have preferred not to buy the e-licenser, and I am a bit surprised that Steinberg would force folks to have at least one foot their ecosystem before letting them even demo the full Cubase; you'd think they would want the demo to have as wide a potential user base as possible. But it's not a huge deal. If I decide to NOT get Cubase, I'll probably sell the e-licenser (or maybe keep it and start looking at the Vienna libraries, which I've never really used or considered)...