3D produces blurry output

Hello everyone! Other the past few days I've been playing around with the free version of TorqueX in order to decide whether purchasing the source code would be a good option for my next project. One thing I haven't been able to figure out is that for the 3D starter project and FPS sample, the final output produced to the window (or screen in full-screen) is noticably blurry. I ran the app through PIX and it appears that the engine renderes everything to a render-target texture, and then in a final step uses a simple effect to copy the RT contents to the back-buffer. The shader assembly for the pixel shader looks fine (all it's doing is multiplying the RT color with some value named "opacity" that is set to 1.0), but the effect sets the texture sampler to use linear filtering which I think is causing the bluriness. Is there any way to disable this step, or make it work correctly?

Also one one other problem I was having was that trying to set "preferMultiSampling" to "true" in the XML settings file causes the engine to create a back-buffer and depth-stencil surface with a non-matching number of samples, which makes XNA throw an exception. Is this the proper way to enable MSAA, or am I missing some better and more obvious way of doing it?

Anyway thank you all in advance, and if I should just be reading some part of the documentation please just say so! I'd hate to waste anyone's time. :)

-MJP