1.  Add-ons such as modems and DVD drives can easily cost you hundreds of dollars.

2.  Books, CDs, DVDs, and magazines can be borrowed from the library.

3.  DVDs have quickly become an extremely popular medium for film viewing.

4.  Mike had worked out an elaborate system for categorizing his collection of DVDs.

5.  The DVD extras include an audio commentary by the film director.

6.  The DVDs were vastly overpriced.

7.  The system has the added advantage of recordable DVD drives.

8.  ...a DVD player.

9.  The DVD has excellent clarity of sound.

10.  The movie just came out on DVD.