English Beat is hardly a "warm up band".
9:30 always posts set times day of the show, and you can ask over in the FAQ (where you've already been directed), and you get an answer within 24 hours about 95% of the time. This is NOT the club to belly ache about.
I have a feeling this show could be tres annoying...I may prefer the "too cool for school" indie crowd to folks who go to one or two shows a year...