I think the aura with Zilla is that they build monsterous 2x12's, and the Fatboy is kind of his flagship product. There's a lot of guys with Studio's and Modern's kicking around the internet, just the people with Fatboy's outweigh them. I only know of one or two people with 4x12's, and one of them is Nolly. If they're anything like their 2x12's, they'll be quality goods. I wish I had the means to be able to use a 4x12, hahah! Also, it's maybe worth nothing that a lot of people with Fatboys and buying 2nd cabs, seem to be buying what looks like a Modern to sit underneath it.