Everything in this list is linked to an amazon.com page so that you know exactly what it is.
This does not mean that it is necessarily cheapest there, but in some cases it is.

DVDs [priority selections]:

Lost In Translation (Widescreen Edition) (2003)
Cardcaptor Sakura - Sakura Book Set (Vol. 10-18)
Full Metal Panic Fumoffu - Full Metal Pandemonium (Vol. 1) + Series Box
Full Metal Panic Fumoffu - Full Metal Fracas (Vol. 2)
Full Metal Panic Fumoffu - Full Metal Fervor (Vol. 3)
Full Metal Panic Fumoffu - Full Metal Mania (Vol. 4)
Fruits Basket (Complete Series Box) (really cheap on amazon for some reason)

DVDs [alphabetically]:

Cardcaptor Sakura - The Movie 2 - The Sealed Card (Special Edtion) (2003)
Family Guy, Vol. 3 (2005)
Gate Keepers 21 - Invader Hunters (Vol. 1)
Gate Keepers 21 - Final Gate (Vol. 2)
Haibane Renmei - Free Bird (Vol. 3)
Haibane-Renmei - Day of Flight (Vol. 4)
Love Hina Again - The Movie (2003)
Love Hina - Perfect Collection (or individual DVDs)