@bradsh98 You wouldn't have a drawing of the pocket angles, would you?
I looked at your thread on subrail mods above and have a comment or two.
Your fixturing is good and I'm sure it works. I probably will do mine differently only because I only plan on fixing mine, will probably never see another set.
First, If you have room for it, a good table saw. Cabinet grade, stay away from the contractor saws. New is pricey, but an old Powermatic model 66 or Rockwell/Delta Unisaw can be had on the used market for considerably less.
To use with the current set up I would use a router with an adjustable angle base in place of the circular saw. A router and a stable guide will give you as good a finish as you are going to get, far superior to what you can get with a circular saw. Honestly, a better finish that even the table saw.
That's been my experience in my 40 years of making sawdust anyway. Hope it helps.