Does anyone have an accurate/reliable resource showing how much of the salary cap we have tied up this offseason so far?

I have heard different numbers, and I don't know which to believe. With the signing if Bowe, Colquitt and tagging Albert, I'm curious to see how much room in the 123mil cap we will have for free agency.

Do we have the cap room to go after a trade for Revis? For one of the other FA CBs or a FA WR?