Just for clarification, if you're planning on a 1.5x layout of any kind, Costar stabilizers will not be in your future. The only spacebar wire available for Costar is 6.25. There will be no 7x spacebar wire for Costar.
This should go without saying, but if you're using a plate, you can use any of the three types of stabilizers. If you're not using a plate, or using an acrylic plate or Universal plate, you need Cherry PCB mount stabilizers.
It seems the stabilizers have caused the most confusion.
I could really care less if I wind up getting a second plate (GH60), but I did put in a change to add one and would love to know if it was added or not. It's not currently showing on the order sheet.
I haven't made any updates from the order changes spreadsheet since yesterday evening. I've been battling a cold. I'll work on them today. Not sure what WFD has done, as I haven't checked yet.