The consensus among some of the tropical models has been a bit further north as well; except for GFS and CMC which have been staying to the south. Here is a look at this morning's GFDL run which could spell big trouble if it verified.
NHC "cone of uncertainty" has shifted a bit further north and the average path would now take Dean over the northern tip of the Yucatan. Of course the less time over the Peninsula would mean Dean would likely stay strong as it emerges back into the Gulf. Here's a look at the track from this morning's update.