I've done some investigations.... best method I've come up with is getting the .obj export plugin from here:
http://onigiriburning.so.land.to/

Get the su2objmtl2.zip file and go to where you installed Sketchup and unzip it and place it inside "..GoogleGoogle SketchUp 7Tools" and you should be good to go. When you run Sketchup it will appear in the plugins menu. 

There are some problems with some of the earlier SketchUp free models, but there's a discussion of ways and means in this thread over at DAZ.
http://forum.daz3d.com/viewtopic.php?t=141125&postdays=0&postorder=asc&start=0

Bryce 7 will import the 'SketchUp' version of the .dae file, but with no mats applied.  And the SketchUp .skp files isn't on B7's import list.

That's all I have so far.

RosemaryR
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"This...this is magnificent!"
"Oh, yeah. Ooooo. Aaaaah. That's how it starts.
Then, later, there's ...running. And....screaming."