Matt, the 2 part technique allows the bottom of the top box to be built in the shop, then the parts to be assembled on site but the front bench board...
While it's not the popular position here, I contend that a 6" jointer is just fine for 99% of what most of us do. Think about it, making furniture? ...
I've bought and sold a couple of those, they trade pretty often around here in the $500 range. The reason I bought them was for a one purpose run of...