Maybe Dreamworks could do it, but only if Sanders and DeBois do it. After all, those two guys totally redeemed DW with Dragon.
It's a shame that they got kicked out of Pixar, but it's business. It happens all the time.
Or for some reason I think that a Sam and Max movie could be done in a more European fashion. After all, non-american animation is always more risky and controversial. And that's what makes it so interesting.