Below are some DVD release dates for various tv series. You can see the DVD artwork here:
http://tvbb.zap2it.com/showflat.php?Cat=0&Board=UBB240&...768&page=0&fpart=all

August 21, 2007- Ugly Betty (Season One), House (Season Three)

August 28, 2007- Heroes (Season One)

September 4, 2007- Desperate Housewives (Season
Three), 30 Rock (Season One), Prison Break (Season Two)

September 11, 2007- Grey's Anatomy (Season Three), The Office (Season Three), Supernatural (Season Two)

September 18, 2007- Brothers & Sisters (Season One), Smallville (Season Six), Ghost Whisperer (Season Two), Numb3rs (Season Three)

September 25, 2007- What About Brian (The Complete Series)

December 4, 2007- 24 (Season Six)

December 11, 2007- Lost (Season Three)