Tires for 18" wheels, need a little help here.

[07JeepXK]

I really am leaning towards new wheels. I wish the 15" wheels on my jk would fit because I want new wheels for that too. Now I just have to find some the wife likes. She wants black but I don't know if I am a fan of black on black with all the Chrome on the limited. I guess I need to do some looking.

Hell I wish 16 inch wheels would fit on our XK's. That would bring down the price of tires.