This thread is a spinoff from the NPD thread examining MS's options for a next-gen optical format
Why will 3D be pretty big? I think that's a highly optimistic view of that technology.
I think the realistic option for Microsoft is Blu-ray. Nothing else really makes sense. 3D will be pretty big by next gen, and the next Xbox should have capability built in. It's not like BD drives cost a lot now anyway, from what I have seen they are less than 3000 JPY for a cheap 2x one and around 4000 JPY for an acoustically silenced 8x one.
Why will 3D be pretty big? I think that's a highly optimistic view of that technology.