After reviewing a lot this forum, I decided to go for the Sorento EX (CRDi). I hope I get back to you to tell you what a wonderful experience this will be. I'm very anxious to get my brand new car next week.
I too have the 2005 EX and it has been a pleasure to drive for the past 4 months or 12,000 miles. The only issue that I have had is with the check engine light coming on periodically for the past 10 days or so. I think you will be please with it though!