DVDs I own:

TV shows:

The Wire: Seasons 1 - 4
Arrested Development: The Complete Series
Family Guy: Volumes 1 - 3
The Office: Seasons 1 & 3
The Simpsons: Season 8

Movies:
Office Space
Talladega Nights: The Ballad of Ricky Bobby
The Simpsons Movie

Sports:
2002 Angels World Championship

The Wire and Arrested Development are the only 2 DVDs I've ever paid for; I've received all of the others as gifts.