I have the AVIA disk now, courtesy of Netflix.  So far, everything that I have watched with respect to HT setup and such I had already learned from this site.    I still have to watch the video calibration section, but I have a feeling it will be more useful once I get a projector.
My receiver also has a built in calibration setup and so far, it sounds great.  I plan on using an SPL meter as well to see how close the automatic calibration fared.