All the planning usually goes out the window once the construction starts Mark. At least you have a few options to work with to see what works best.
I remember a layout build thread on here from a while back. The OP used a short block of 2X4, about 4" long, to as a guide to bend GG flex. He marked the rails on the surface of the block and cut the three grooves into the block. I remember the pix of his curves and they were nice and uniform.
Bob
