This series is yet to be released in R1 but has been released in England. It would appear for about 24 pounds that you get five episodes and a range of special features including:
None of these extras are present on the R4 discs. This seems to give us an R2 winner until the R1 discs are available for comparison. There are hints of a widescreen release in the US, but we will have to wait and see.