Arcade Fire's Cryptic Message

the nme is reporting...

'arcade fire have posted a cryptic message online. on their neonbible site visitors click on a closed eye to see it opening and revealing a message. the message reads: "Be oNline B October 6th.' [BNBO? what does it mean?]. clicking the message, visitors are sent to beonlineb.com. the website features the words 'october 6' eleven times.

so on saturday, make sure you go here: http://www.beonlineb.com/

what could it be? a new song? a live album available for free download? it's gotta be something big if they built a website for it.

let the speculation begin. post your theories below.