Just ran into this posting that hits several critical founder issues right on the head. Take a look at Roger Anderson's Modern Magellan post entitled: Founder Issues - New wine in an old bottle Part 4. Roger lists the 5 most important founder issues for a new company:
3. Personal value
"It could be argued that they all exist in most founders, regardless of the level of experience. A founder with prior experience may feel that they know more about business than anyone around them. Such over confidence can lead to errors that amateurs do not make."
His posting is a good read.