http://www.operationsports.com/forum...-gameplay.html (LOCKED)
http://www.operationsports.com/forum...es-thread.html (Still open, but has gone quiet)
Check out my example with the 60 FPS video near the end - it's the best way I could really illustrate this problem as it relates to hitting.
I think the bottom line is that some of us are more sensitive to it than others, and it definitely doesn't happen in all parks and situations.