I was looking for a way to carry my RS-1 w/ EZ Leveler, Nikon D800e and 16mm lens in one package, assembled and ready to use. Here's the solution that I came up with. It's a Plasticase Nanuk 915 case filled with Polyethelyne foam that I cut to fit. The case is $50-ish (USD) on ebags when they're having a 30% off sale. I had the foam on hand, but I believe you can get a pick-and-pluck set for that case for about $15 (USD)
I'm impressed by the Nanuk case - it seems every bit as sturdy as a comparable Pelican, but significantly less expensive.