Rob Rang has an updated mock draft on CBS Sportsline that's worth checking out. As things stand, Cleveland would be picking first overall if the season ended now. Rang has the Browns taking Ndamukong Suh (DT, Nebraska), something that I agree could be a distinct possibility. Suh is flexible enough to figure as a 4-3 three technique tackle or as a 3-4 defensive end. Cleveland currently runs a 3-4. Despite the fact they'll almost certainly have a new GM and coach next year, the underwhelming nature of the quarterback class and the fact it'd be a nightmare situation for a rookie QB to come into could make Suh a likely #1 pick.
But what about the Seahawks? Rang has Seattle taking Sam Bradford (QB, Oklahoma) with the eighth overall pick and Anthony Davis (OT, Rutgers) later in the first round. That would be an aggressive investment on the offense with an eye to the future, post Matt Hasselbeck and Walter Jones. There are some other notable appearances in the first round - namely Auburn running back Ben Tate.