I had a baby shower and did what mommahelizabeth said with the diaper raffle. And since I had a large shower we had three gifts that could have been won. But anyways my daughter is 5 months old and I still have not had to buy her diapers yet and I probably won't have to for another 3-5 months. So I definitely recommend the diaper raffle.
I'm having guys and girls at my baby shower and all the men have to bring diapers:) so I guess you can say I'm doing both in one lol :)))
You could do a baby shower and a pamper raffle as a game. Anyone who brings pampers would be able to join the raffle it really helps :)
You could have a baby shower and your husband could have a pamper party with all his guy friends like they could play pool or poker and just bring pampers when they go hang out
It depends what you still need for baby. If you still need a lot of stuff, I'd do a baby shower. . My fiance and I chose to buy everything ourselves for my daughter. I had a baby shower but just asked for diapers and gift cards to buy formula/diapers.