I was just in the same situation. I found a new/used avenger wheel (grade A-B on an A-F scale) for $160 with shipping at
Quality Auto Parts
There are also places on the web where you fill out what you need, and it sends the query out to several salvage yards all over the country.
Junk Yard Dog and
Find Parts
Hope this helps. Only problem with quality auto parts is that they say they will e-mail or call you with a confirmation of your payment, etc., but they never did for me. And since they dont have an 800 number, I had to pay long distance to see what is going on with my wheel.