Ready for class III in the series on video cameras and production?! Well I'm not qualified to teach anything about this topic, but I can suggest the following article as an excellent and seemingly balanced guide to folks interested in making a bit more sense of the many video acronyms and technologies: www.peachpit.com/articles/article.aspx?p=1396567 I found it a very helpful explanation of all the technological terminology floating about. It is generally oriented at the professional with a big budget, so most of this is too expensive for many folks outside Hollywood - but the article is already a year old, and video technology will become more economical - and simpler - in the coming years. - John