Glad you got it sorted out. Hats of to Ross on the Phasing problem--it's always something!
Registered Architect/BIM Manager
Thalden Boyd Emery Architects
St. Louis, MO
Glad that worked for you. I remembered someone using phasing settings as a workaround to get a chipboard-model type of look, which is what seemed to be happening to you (i.e. all materials rendering as default).
You didn't solve a problem, you found a new tool!