Yes I was asking me the same. The fact is that in my computer, the frame rate is still high enough but had a real slow down on another one.
I'm exporting from cs4. and yes bothsides is on for every object. You can take a look at the source: http://www.agence-anonyme.com/files/3dgalery_lite.zip You'll be fixed, if it's something with the engine, or with me !! thanks
