The Overlords podcast includes an interview with Daryl Elms from KR Multicase.
From their announcement:
The Overlords have an in depth interview with KR Multicase on their podcast (episode 20). The Overlords are a group of enthusiastic 40K gamers who enjoy their hobby. Their weekly podcasts are well worth a listen for any 40K gamers. You can download their podcasts from their site or via iTunes.