There's so little margin in registrations that I don't understand why another member/TAG wouldn't take the opportunity to register for people at cost and offer a more personal 'quick response' service into which they can upsell other stuff like hosting and minisites.
I think Nom's rules for registrar/registrant relationships and facilitation of domain changes etc. need to be looked over, but there seems to be an opening here if one can get over the problem of abuse. In principle, I'd be happy to do this for people I know.