Pro-1000 only has three holes, but I know I can make it work. If I do it in two passes, I skip the Heavy Load issue you're running into. I don't see the need for a crimp die yet, but I've only been reloading for about 3 months now. I'm going to pick up a lube die as soon as the budget allows, but Knob Creek is next week so everything is on hold until after.
It just struck me that you have the perfect money making combination: You say it's easy for you to build, and the people on the thread saying how ingenious it is.
Myself, I lack machining skills at present, but would be interested if you wanted to do the machining and sell me some parts. What I really need to do is read over your thread in detail, but l'm now out of time