Why not try autotrader and such as well. In Tucson it is truck country so it might take a while, not sure about Phoenix or those areas. Try using different ZIP codes. Hope this helps.
A LOT of the guys in the area are on there, you won't find too many of them on here let alone checking out this section of the forum since it's usually pretty slow.
Looks like he found a virgin '04 cobra from a 58 year old guy in Peoria, only thing it had done to it was a drop in filter and mufflers! 37,000 miles, picked it up for 20,000 out the door.