http://www.centerlinewheels.com/wheel_deals_detail.php?id=12468&type=bolt&data=5-4.5
Check out this link for centerline wheels. They're currently offering overstock 15x7 Telstar rotary forged billet aluminum, 15x7, with 4.5" LBP, at $99 each.
Other overstock styles and sizes available. Only limiting factor is specific backspacing only available in overstock wheels.