Some FBX models work and some do not. It is hit or miss right now with FBX.
But Some FBX files also work being called from the FPE file.
There is a thread around here somewhere with it. I have had it work also.
Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, 2400 Mhz, 4 Core(s), 4 Logical Processor(s), 8gb RAM, Nvidia gtx660, Windows 7 Pro 64bit, Screen resolution 1680 x 1050.