A phrase used in your question caught my attention -- that this was going to be more of an investment, and not just a simple accessory. Believe me, I know where you're coming from. I remember those days well.
What's nice about the Limbdriver is its universal fit on all bows. It's no secret I'm a Zero Effect fan -- on a bow that they'll work on. With the Limbdrivers, if you ever sell or change bows, you can keep your rest knowing that it will work on your next bow -- and that you don't have to sell it at a loss or throw it in with the bow. That makes for a great investment.