Here is the weekly DVD sales ranking for February 1st - 7th.

*1, 5,652 **5,652 Saki vol.8
*2, 3,963 **3,963 GA: Geijutsuka Art Design Class vol.4 Limited Edition
*3, 2,662 863,135 Gake no Ue no Ponyo
*4, 2,389 *32,291 Tengen Toppa Gurren Lagann Movie: Lagann-hen Limited Edition
*5, *,*** ***,*** One Piece 10th Season vol.5
*6, *,*** ***,*** Valkyria Chronicles vol.7
*7, *,*** ***,*** The Melancholy of Haruhi Suzumiya (2009) vol.6 Limited Edition
*8, *,*** ***,*** Naruto: Shippuuden Shi no Yogen to Fukushu no Sho vol.2
*9, *,*** ***,*** Shin Koihime†Musou vol.2 Limited Edition DVD
10, *,*** ***,*** Bakemonogatari vol.4 Limited Edition DVD
11, *,*** ***,*** Toaru Kagaku no Railgun vol.1 Limited Edition DVD
12, *,*** ***,*** My Neighbor Totoro
13, *,*** ***,*** Gintama Season 4 vol.4 Limited Edition
14, *,*** ***,*** Kimi ni Todoke vol.2
15, *,*** ***,*** Fullmetal Alchemist: Brotherhood vol.6
16, *,*** ***,*** Kiddy GiRL-AND vol.1 Limited Edition DVD
17, *,*** ***,*** Sora no Otoshimono vol.2 Limited Edition
18, *,*** ***,*** 07-Ghost vol.7 Limited Edition

Sources: Youtaiju, Oricon DVD Ranking