Also, where can I get Licenses for PS3 games and hardware?
I say this a lot, but I think it's an important point, as it's usually the only reason people join iGames.
Nobody has ever been sued over "licensing" in a LAN Center. Ever. Anywhere. The only reason that we talk about this topic is that for a very long time every piece of software came with a clause in the EULA that forbid "commercial exploitation". What exactly that piece of legal text was origonally ment for, I'm not sure, but I don't think it was a LAN Center. Recently Blizzard has modified their EULA for Starcraft2 that adds a specific exemption for LAN Centers.
If you call up some companies (Stardock for instance), they will tell you straight up they do not care if you use their games. Others just make scary gestures. Valve for instance sent out a mass mailing of C&D letters when they very first started their Cafe program, but that was just a bit of a slap-in-the-face marketing to get people to subscribe. And I have to say, their cafe system turned out pretty well.
TL;DR - Don't worry about licensing. Just don't pirate games, and nobody will care.