we are investing thousands of dollars every month in order to create unique + quality content for our network
So that's, what, an average of a few dollars per site, most of it probably wasted on domain names instead of content. Doesn't sound like quality stuff to me and I think Google will smell it from a mile away too. Why not make one site?
Don't let tedster's famous diplomatic attitude fool you, when he says:
It sounds to me like your whole plan was built for Google rankings rather than to serve visitors
Someone less tactful would say: "your spammy stategy is not going to get you very far"