Seriously, as soon as you have MOA turrets and MOA markers (say, every 2 MOA) you will sell more. I'd even pay a premium for that, especially if there was a version that had high-end glass to go with the reticle.
One thing to consider: You are making this reticle to make shooting and ranging easier and faster. A lot of beginning to mid-level shooters use MOA (they find the learning curve easier). They can probably benefit MORE than people who have been trained in mils.