Keep the individual meshes in the model under 22000 polys.
You can get a lot in a static model. Only thing you may want to think about is how collision will react on the individual parts in the mesh.
Some things may be better off with a seperation model with no collision assigned. (11) in the fpe file, such as ceilings, stuff the user will never be allowed to get near, back ground objects 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.
