Sadly I don't have a cheesecake on my blog yet (on my list before xmas) but you can use chocolate base from here
http://www.diabeticgoodbaking.com/2013/07/coconut-yogurt-cake.html
or
http://www.diabeticgoodbaking.com/2013/03/lemon-tart.html
and then make a cheesecake from any recipe...