I don't think they have 285/30. I think it is either 265/35, 275/30 or 285/35. I will most likely do 285/35/19 all around next time around. The 275/30 might be too small. Of course 285 is probably too big for the 9" stock rim.
Here is what it looks like
http://www.cartct.com/results/08-08-10/08081005.jpg