Get the diesel!
I have a 2001 f250 v10, 2003 f250 v8 and a 2001 f250 diesel. The v10 costs me $200 per week in gas! It's terrible in stop and go traffic. The v8 and diesel combined costs me $200 weekly and they are used much more. The only reason that I keep the v10 is that it's paid for.