I got my official GM CD's off Ebay. I paid under $20. My CD's are the ones Eric uses at the dealerrship. Has search, zoom on pics, search for bullitens by VIN........its very cool.
Here.........this is what I got.
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=34222&item=2439988952
Here.........this is what I got.
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=34222&item=2439988952