Originally Posted by mrblaine
With rare exception, your choice in rails is commensurate with your wheeling experience level and difficulty levels.
Those that play just a tad bit harder in difficult terrain understand the ramifications and the loss of clearance where you need it the most.
Those that don't can be well served with frame mounted rails, transfer case drops, stock control arms, no SYE's, and street tires.
Looks to me like all, or most, of the good companies out there are only making body-mounted. A to Z Fabrication, for example, makes nice rails but they are body mounted.
My advice would be to remove the diamond plate and go from there.
To give you some feedback directly answering your question, I'd go custom. That way whoever welds them up for you can keep them high, to go with your body lift, otherwise a bolt-on frame mounted rail would be 1 and 1/4" farther apart from the tub than it was meant to be.