You've go the right idea El, I bought it too. The discs didn't really have any extras, infact most american shows are really crappy extras wise
• Deleted Scenes
• Main Language: English
• Hearing Impaired: English
As for the DVDrs, I would say the box set is probably worth buying if you enjoy the series, you can get it reasonably cheap (B5 boxsets = Â£17.99 each too!).
This is a tad worrying:
DVD Shrink Ratio 56% / Region Free
Firstly, DVD Shrink is an awful, awful encoder... everyone, please, please use DVDrebuilder or something better. Secondly, that's sounds like its been shrunk heavily, and dvd shrink is actually terrible at the actual shrinking.