I have never shot a 30" bow. Even if they came in my draw length I wouldn't shoot one. No way I'd shoot a bow that's 3" shorter than my draw length.

Comparing a 45" bow to a 36" bow though, I can tell a major difference in shot to shot consistency. The short bow magnifies any shooting form error I make. I'm a decent shooter, but I never will be perfect. I can shoot quite a few arrows with the short bow and stack them just like I can with a longer one but, sooner or later, I'll flub up.

When I do, the longer bow doesn't throw my arrows off point of aim nearly as much. So, I don't have any bows in my arsenal that are less than 40" any more.