That's right - let me say it again COMPLETE SERIES SET IS ON THE WAY!
The box-set will include all 4 previous released seasons and include the 3 unreleased seasons! There will be more than 20 discs will all previous bonus materials, but no new material announced as of yet.
And the date, you might be wondering - MAY 5th! Here's the link to the TVSHOWSONDVD announcement:
I'M SO EXCITED!
Box art, price and possible extras to follow after the official press release is published!