I guess because I'm an old phart, I just can;t get into these new-fangled platforms. I can see where something like this would be practical for clearing close quarters, but I wouldn't want one. About as wild as I can stand are the AR's.
I like the shortness of bullpup designs but I'm not sure if I want the receiver that close to my face. I had thoughts of the Juggernaut for my M1A1 SOCOM but the price kept me from experimenting.