Neither am I, so, where can I buy those DVDs ? (season 4, am I right).
Japan source I suppose ? Ouch... Area 3 while I'm in Area 2, Ouch again...
As I'm writing a thesis about raw animation art, setting up a anime database to identify them in the production process is a part of my study.
So if you may accept to run the program that I use to turn an anime to identification sheet, that could be great and certainly helpful for your own works.
Scale index resolution is 1 second for anime episodes, 2 seconds for OVA, 5 seconds for movies.
See test sample here :
http://toshiro.rubberslug.com/gallery/img_b.aspx?ImageID=734620&Pass=