I always have a doubt. Why are Chessmood openings not seen at top level? Because Chessmood openings are great
Have you already answered to yourself what kind of repertoire you would expect being a PRO-Member?
I was certainly not expecting a repertoire based on current top level play when I joined last October.
I do like active play with both colours so ChessMood's repertoire for black is a perfect match (and for white, too).
This approach helps you to develop your attacking skills (and for defence you will find a great course, too). I think that piece activity is a very important skill to develop. It is a kind of basis for further skills (the game's idea is to checkmate your opponent and not to jointly perform a positional play).
And I (FIDE ELO around 2000) have no problems with this repertoire against opponents of my rage in OTB. I rarely play FM/IM.
And re Benko, yes there are some lines that are a bit harder for black. But you will find responses in the course and the streams and the PRO-forum. But trust me, this is much easier than staying up-to-date in the Grünfeld.