Hi Tim
A/C and a creased quarter panel can be BIG bucks to _correctly_ repair (don't go home with just a AC "added refrigerant" fix, without additional time covered in writing, the longer the better). I'd also "worry" about alignment and suspension damage related to the quarter panel.
Get a
pre-purchase inspection from a trusted local mechanic before making any offers.
As far as what Insights have been selling for as of late the Buy-Sell forum has enough history to give an idea. I'd also look at KBB.com and Edmonds.com.
With the damage you describe and the potential costs of the AC an asking price of $8995 seems sky high IMO.
HTH!