The Digital Video Essentials looks great.... too bad it's not out yet. To tide me over I decided to get the Sound & Vision Home Theater Tune-Up disc:
http://www.soundandvisionmag.com/hot_topics/articledisplay.asp?ArticleID=44

At $11.84 it seems like a good investment:
http://www.grooviemovies.com/details.cfm?id=42502&afc=dvdps

Thanks,

Sayer