Hi All,
I ran across this Collada model that does not import. It seems to import and reports successfull, but there is no mesh I can see.
You can find the offending model download here:
http://sketchup.google.com/3dwarehouse/details?mid=b56135fe09b2e5acd6327d46d93c637b&prevstart=0
It would be cool to have a world map model in Blender. I just did a search and could not locate one.