Best thing I've found to ensure your HDTV is properly set up without doing an actual ISF calibration is this disc:
http://www.monstercable.com/productdisplay.asp?pin=3971
Despite the Monster logo on it it's all done to ISF quality levels. It doesn't have hard to use color charts and gray scales etc, it uses actual real life images to set your black levels/contrast/sharpness/color etc etc.