Nice choice on the TV
You're gonna love it!
It would seem that your problem might be the degree of flatness between the street and your driveway and a larger tire might not remedy the situation.
I'm not sure if you will have wheelwell clearance if you go to 14's or 15's.
2006 23B Hybrid with 10k round bar WDH
2011 F150 4x4 SCREW Ecoboost, Max Tow, Integrated TBC, 3.73 LS axle, Firestone Ride Rite airbags.