Yesterday Bill examined the Tigers plate appearances of 2006 in regards to how deep they go into the count, and the success (or lack of) that it brings:
It seems that while the Tigers are aggressive on good pitches early in the count (as evidenced by their success), their aggression late in the account certainly hurts their ability to draw walks. They do generally maintain a slugging advantage, but that advantage is entirely negated by the hit they take late in the count getting on base.
Also discussing this is Pinstripe Alley, who has a link to a NY Times article regarding the new Tiger's book.
Ben at TopProspectAlert.com has an interview up with Tigers pitching prospect Luke French. French, from Heritage HS in Littleton, Colorado, has spent 3 seasons in the Tigers system after being drafted in the 8th round of the 2004 draft. In 2006, he played a full season for West Michigan, going 11-8 with a 3.72 ERA.
In a system that has some pitching depth to it (much more than position players), French does not appear on any of the Tigers "top prospects" list.