I don't know exactly how many places have turkey sausage available, but I do know that at least some places do. I stumbled onto the turkey sausage availability at Boatwright's (sweet potato pancakes -- YUM!!!). The server told me they had turkey sausage patties and that they got them next door at Riverside Mill food court. I'm guessing that other large food courts may have it too (probably at CBR, POFQ, the three All Stars, and Pop at least) and probably other full service breakfast locations (like Yacht Club Galley).