Balk or bad mechanics?

[gobama84]

Originally posted by PWL

Snip:

Basically, it's the little stuff like not stopping long enough, or holding their arm out in front of their body. I always get the obvious stuff.[/QUOTE]

There is no required amount of time that the pitcher must be stopped while using the set position. The rule states that the pitcher must come to a complete stop.
If this is not the obvious stuff then what is?