Looks like most a yer questions has been answered, so heres how I do it.
I smoke ta 165° an then pull my butts an put em in a roaster pan, I got a couple different sizes, put the butt in the one what fits it best. Pop the lid on an inta a 250° oven with a temp probe in it an take em the rest a the way ta 195. Shut the oven down an crack the door open a bit an let em rest fer 2 hours then pull.
I do alotta butts fer caterin an cash/carry sales. Foil was gettin expensive an the pans make it reusable so cheaper. In business all them pennies count.
I have not noticed one bit a difference from finishin em this way over the foil. Many customers wanted to know what I did different cause they were even better then before.
Its what works fer me.
Try some each way an see what yall like best.