As far as I know, if you own a share of stock (A or B), you get one pass for the meeting for each share. They mail the passes to you (and these passes are also good for nice discounts at area retailers!). I don't know 'bout the room reservations (I live in Omaha), but I imagine you could call a hotel in Omaha and ask them. The annual meeting is a big deal here, I'll tell you what!
I will get back to you on the nicer hotels in Omaha to stay in, if you'd like. Just let me know what you'd like to know (and I will try to be of help).
Graust