Wow, just read your post. That is a great build. It made me laugh that at the end of the build the only stock part was the action :-)
With my current (lack of) knowledge of the 10/22 platform I plan to buy a simple scope, do the appleseed training and then with my newfound knowledge start customizing. My current plan is for the Ruger to be my entry into rifle long range shooting. I belong to a great range where we can go up to 600yds and I'm excited to start taking advantage of that eventually - but I need to learn to walk before I can run :-)
Most folks consider 200-300 yards pushing the limits for accurate .22 rimfire shooting. But yes, great way to get started and to practice good technique even when you've moved up to larger calibers and longer ranges. My favorite mid-range (50-600 yards) caliber is the .22-250.
Look forward to seeing your targets and progression!