I would like to see interviewed (in no particular order):-
Joens Schoenfeld (of Individual computers, developer of countless Amiga hardware such as the Indivision AGA/ECS, Catweasel, ACA 1230/630 Accelerators and many more)
Harry 'Piru' Sintonen (developer of WhichAmiga, Blizkick, cnet.device, and of course, MorphOS. Probably one of the most knowledgable technical Amiga people out there).
Peter 'Xeron' Gordon (author of many Amiga scene productions under his 'Mr. Tickle' pseudonym, Hivelytracker, and prolific Amiga OS4 developer - he used to guest on havok scene radio quite regularly and is a genuinely nice, very entertaining, guy)
I think they would make very interesting guests.