I love bagpipes and I'd love to hear some Theremin too.
Sadly, I think many fans (not me) are going to complain about the lack of metal on this record...
I love bagpipes as well, I'm into folk metal so I welcome any kind of "weird" and additional instrument.
Ironically, you made me remember something I thought after the first times I heard SFAM: "Ok, this album is unbelievably awesome, but damn, I still didn't get an album as heavy as Awake". With time I didn't care for this detail, and I won't mind either any lack of heaviness there will be in the new album. I'm sooooo loking forward to it with a wide open mind, as long as the songs will be great, I won't mind their style!