BSD Now episode 4 is out, though you have to look at the episodes page to find it right now. It has an interview with Devin Teske of FreeBSD. The usual other commentary isn’t there, probably to make room for Devin’s completely awesome beard.
I know I said Summer of Code was complete for DragonFly, but Larisa Grigore published some rough benchmarks of her “SysV IPC in userland” work, plus a followup.