Who ever said Duhon was a top 10 PG? Fairly certain Duhon signed a 2 year contract which means hes gone before 2010. He'll be the starter this season and then come next season he'll probably be the starter to start the season before hopefully Rubio, Jennings, etc take over the reigns.
The decision on Steph/Duhon has nothing to do with TALENT people. Its about future promise and contracts thats it. Everybody knows Marbury is better then Duhon but Duhon will atleast be here next season.
p.s. Rondo on defensive ability is above 18th. I know hes a Celtic but hes good.