Gr8day: I think the biggest of the Stumpster, have double doors. But then you might have some issues with space.
Believe the problem would also be that the cabinet smokers, will not fullfill your needs for a grill as well. Then there are off-set smokers by Lang, they have made some hybrids, but I don't if it is something you have looked at.
Butthead66: I am also pretty keen on buying the Baby, but you feel that you have a good capacity compared to what they explained in your XL Baby. I have actually been considering the XL Baby as well, but it is just quite a lot more.
I already spoke to Dad at Stumps, and got a good explanation and that the Stumpsters might not be the best fit for me, but the Baby would be better.
Do you have some pictures of your XL Baby, and do you find that it is maybe too big for backyard smoker, where you maybe smoke 4-6 baby backs and maybe a bit chicken at the same time.