InfoDesign The most interesting discussions tend to be here. InfoDesign is moderated by Yuri Engelhardt.
Discussion is infrequent and sometimes esoteric.
By 'esoteric' we mean 'over our heads'. Veteran editor Paul Stiff has now bowed out and the magazine is being published from a new home. We await the first issue. Missing, assumed defunct. Information Design Journal IDJ, concerned with 'user-centred communication design', appears roughly twice a year.