Well, we could discuss Osprey's marketing with the new Exos line, etc, so it is not limited to what MSR is doing. Of note, the local outfitter in my area has over 47 Neo-Air in stock. All Regular.
"I look at my Exped Downmat, and I can see why it is expensive. A fair amount of down, an inbuilt pump valve etc. I can't see why the NeoAir is so expensive."
I too have an Exped. But the NeoAir is more comfortable, is not a PITA to blow up, packs down to about 30% of what my Exped does, and....weighs over 50% less for comparable sizes. It is NOT as warm. But on all other fronts it kicks its.....