Email Betahaus and ask if you could sit in their event space (comfortable, big enough for you all, and generally unused) while people come up and present their

Email Betahaus and ask if you could sit in their event space (comfortable, big enough for you all, and generally unused) while people come up and present their startup to you for five minutes. They're nice people, and there's probably around fifty startups in the building. It's a cool place.