305s are wider than 285s and will rub bad unless you use aftermarket wheels or spacers on your stock wheels.
Best sale I've seen this week is the "double your rebate" promotion on Good-for-a-year tires that Discount Tire Direct is running right now.
~Lots of modded Jeeps and a Toyota 4Runner~
My favorite quote from the press release.. sad but true: "Chrysler claims its products, especially the Jeeps, can handle all sorts of terrible conditions, churning through muddy swamps, climbing mountains, and crossing rivers. Turns out they cannot even handle a car wash."