You could try a Pumpkin Porter, I'm trying to throw one together to see if I can. My plan is a straight forward Robust Porter, then add the pumpkin to the mash and spices to secondary just like Yuri's.
Ataraxia: Freedom from pain in the body, and trouble in the mind
Bottled: House Pale split US-05/WLP 400, Cottage House Saison
Fermenting: American Hefeweizen, Small beer with 3rd runnings of Hefeweizen
On Deck: Wit, Skeeter Pee