agree with equinox, it all depends on what you put in.
also agree with helping you.
take down my email:
paulallsopp@cox.net and feel free to hit me up with a query anytime.
I will say, for your walkthrough, don't make the furniture to complex as the camera will just be passing by it.
Make it look real good where the camera stops.
I know you are a way off this, but bear it in mind.
~~CM!