the link here has shown me how to remove the dash plate ( or whatever the part of the car thats around the air controls and radio ) .. mainly they maoved the screw from behind the power window controls to inside the air vents.
as for the install kit .. i have found 2
Chrysler PT CRUISER 07 2007 Car Radio Install Dash Kit stereo
and
chrycomplete3 - eBay (item 230359937760 end time Aug-21-09 10:54:10 PDT)
both look like they will work but one also includes the wire harness .. yes it seems i was looking at the 200->2005 styles and not finding the 06->08