Well I just ordered two of the EMPI 2 Liter Alloy 15" x 5.5" rims in black with a 4-9/16" backspace about $205 delivered for the pair.
http://www.kustom1warehouse.net/2_liter ... oyempi.htm
We will know how they fit in a few days. I will probably just run a top of the line tire from my local Les Schwab dealer in either a 185 or 195 width.