A few fact checks:
Lots of hardware has been announced at previous WWDCs. Cinema displays, the G5, the switch to intel and the DTK, etc. No reason to automatically believe there won't be new hardware. That said, the MBP was updated quite recently. That said, they've updated the MBP within two months of release before; no reason they can't again (and if they do, I really hope it'll be in stock when the keynote is over, since I'm planning on getting a replacement for my 2004 PowerBook this summer).
It wasn't publicized much but the 4(3? 5?)00 students who got scholarships last year did not get to see the keynote live because of a lack of seating. In the year prior, some lazy people who paid for their tickets but didn't get in line early complained that they had to be seated in overflow rooms. This pissed the students off to no end (especially those of us who got up early and made the line by 6:45 AM), but I don't imagine it'll change with the entire conference sold out. Also, about the first 1/5-1/4 of the ~6000-seat room is reserved for press, VIPs, and Apple Engineers. So I think it's fair to say that the sold-out number is probably 7000 ± 1000. Going to be a lot of unhappy people come Monday morning. If the students can get into the live keynote via first-come-first-served, I may camp out the night before; there's a Starbucks and a Mel's diner nearby, both open 24/7.
