I try to leave Super Two out of my personal analysis of when a player is ready. That's difficult when you cover a small market team, where Super Two can be a very real factor that determines when top prospects will make the jump to the majors. But as far as my personal opinion on when a player is ready, Super Two doesn't enter the mix.
There have been players who I've felt were ready, and were only held back from a promotion until mid-June for Super Two purposes. There have been players who I've felt weren't ready, regardless of Super Two potential, and continued to feel they weren't ready after it was safe to call them up.