Sadly looks like not. Both John Gruber and iMore spoke to Apple and it's not a bigger venue:
> I asked whether the move to San Jose changed the number of people who’d be able to attend. Schiller said it did not — attendance will be about the same.
> I asked whether the move to San Jose changed the number of people who’d be able to attend. Schiller said it did not — attendance will be about the same.