I don't think hackerspaces would be considered a real business. Most of them are non-profit and community driven. If you live somewhere with enough hackers, it makes sense to have something like this. My grandmother has a "hackerspace" for their gang of mahjongg players. All the gamers put in money to rent out a huge office where they can play 24/7.
If we get 40 more members, we'll be viable. Considering that we managed to get 35 members in the last month, I think it's possible to triple that number given that there's more entrepreneurs here than anywhere else. Visit any coffee shop in silicon valley and you'll see why.
Hacker Dojo is like sex? This must be the kind of sex one has with a roomful of 20-year-old "ninjas" obsessively typing the acronyms PG, HN, YC, DHH, and RoR into their MacBook Pros. As Paris Hilton would say, that's hot.