Yeah I had to surrender my Gentex for a Bose when I got too deaf to hear ATC properly, but I miss my bone dome. I briefly considered removing the Bose earpeices to fit into the helmet but the Bose has complex ports on the outisde of the earpieces & I was concerned the relocation might compromise the ANR.
So I'd be interested to know too if there is Bose quality ANR available in helmet form.