I have both and love them both for entirely different reasons. But I will say that there is an even split in size in both GSD's and Malinois, so size alone isn't a good enough reason to switch one way or the other for me.
Aiden v HausDaka - (HOT) IPO3x2, FH, CGC, TT
Carma - superstar in the making
Tulah v Maringaland- puppy in training!