Cambridge Incubator -- pay per person
cambridgeincubator.com
cambridgeincubator.com
Seriously though, it sounds like a clever profiting model, as you can control the kinds of tenants very well, plus you can claim some credit for any successes.
From what I gather, yours is the better program. Although somebody could probably save up 5 or 10 grand and join the CIC for 6 months with a prototype and show it off to different investors there, they probably wouldn't get much of a better deal than you offer.
What I think makes YC better is that you have all software guys, while they have all sorts of startups, and the people they interviewed seem to be in the 40's, which is also a change from the ages of the people who I saw at startup school.
Feel free to come visit. Perhaps you can convince them to put pricing up, and/or offer discounts for YC folks.