Here's a way to use pumpkin in season - and other orange-fleshed winter squashes, too - other than in an overdose of soup and muffins!
You can also make this cheesecake with winter squash. It will be slightly less sweet, so don't hesitate to add one or two tablespoons of sugar to the filling.
You'll find pumpkin puree recipes on this site. Also, to ensure cheesecake success, read these tips for perfect cheesecake.