Just looked on the City forum, someone said they'd sold 21500 so far. If that's the case it'll definitely be a sub 70k attendance. At least our end won't look too empty, especially in the lower tier.
I think that's a bit harsh. Ultimately they're still a locally supported club, if it was Liverpool or Man U there'd be 1000s of people in Sussex and Hampshire (and Scandinavia!) waiting to snap up those tickets.
I think kingcole has summed it up - it's a busy time for football and people...
It's closed. You sit in a waiting page with everyone else until it's open. Once it's open everyone on that page is allocated a random place in the queue.