http://www.ebay.com/itm/18-Black-Drag-DR-40-Wheels-Rims-4x100-4x114-3-4-Lug-Civic-Integra-Versa-Mini-G5-/300682807907?pt=Motors_Car_Truck_Parts_Accessories&hash=item4602178a63&vxp=mtr
I think that these would look pretty good on there man.
Cobalts have so much wheel well that i wouldn't go less than 17's with about a 40-45 series tire.. are you wanting to see some different options of what we think look good?
EDIT: sorry not a cobalt G5! lol