Yes, never enough cutters but you do know if you take a number when you first arrive, it is nowhere as bad on the wait. While you are shopping for your fabric, the earlier numbers are getting theirs cut. And... when you are ready, you just wait a short while.
Personally, I only go to JoAnns when I need to. If something strikes me while I am there then great otherwise, I don't go fabric shopping there for much. I do like that their Kona solids are 25% off today and then you get a chunk off of your whole order today.