Championship is at 157 teams now.
One conclusion I draw, from the fact that FIRST set a deadline of 48 hours to accept or decline, is that the waitlist (the serious teams on it) was around 30 teams long.
This doesn't count teams that may have decided not to accept due to the late notification.
In the past week around 20 Regionals have gone up or down a team, so final funding still seems to be an issue with ~1% of teams. However, this is funding for extra events, not original competitions.
~26% of non-Michigan teams are attending a second event.
99% of Michigan teams get a second event of course.
(Thought I'd finally shut up didn't you?

)