Here is the Anime DVD sales ranking for Oct 1 - 26.

Rank/ # of Copies sold / Title
1, 21,112 Code Geass - Hangyaku no Lelouch R2 vol.3
2, 14,828 Macross Frontier vol.3
3, 13,756 Gintama Season 3 vol.3
4, 11,261 Natsume Yuujinchou vol.1 Limited Edition
5, 10,452 Strike Witches vol.2 Limited Edition
6, 10,104 Aria the Origination vol.7
7, *9,107 Sleeping Beauty Platinum Edition
8, *8,212 Sekirei vol.1 Limited Edition
9, *7,994 Toshokan Sensou vol.3
10, *7,824 Hidamari Sketch x 365 vol.2 Limited Edition
11, *6,961 Prince of Tennis: The National Tournament Finals vol.2
12, *6,658 Junjo Romantica vol.4 Limited Edition
13, *6,577 Dragon Ball Z Movie 05: Cooler's Revenge
14, *6,427 Dragon Ball Z Movie 06: Return of Cooler
15, *6,351 Ikkitousen: Great Guardians vol.2
16, *5,960 Mobile Suit Gundam MS IGLOO 2: Gravity of the Battlefront vol.1
17, *5,847 Sleeping Beauty Special Edition
18, *5,681 To-LOVE-Ru vol.4 Limited Edition
19, *5,670 Kanokon vol.5 Limited Edition
20, *4,981 Nogizaka Haruka no Himitsu vol.2 Limited Edition

We didn't post the weekly DVD rankings in September. So we post the ranking for the latter half of September (Sep 15 -30).

Rank/ # of Copies sold / Title
1, 31,706 Lucky ☆ Star OVA
2, 22,982 Code Geass - Hangyaku no Lelouch R2 vol.2
3, 15,488 Macross Frontier vol.2
4, 13,812 Gintama Season 3 vol.2
5, 10,709 Aria the Origination vol.6
6, *9,126 Little Mermaid III
7, *8,720 Strike Witches vol.1 Limited Edition
8, *8,563 Hidamari Sketch x 365 vol.1 Limited Edition
9, *7,994 Toshokan Sensou vol.3
10, *7,390 Ikkitousen: Great Guardians vol.1
11, *6,999 Junjo Romantica vol.3 Limited Edition
12, *6,428 Kanokon vol.4 Limited Edition
13, *6,180 To-LOVE-Ru vol.3 Limited Edition
14, *5,824 Nogizaka Haruka no Himitsu vol.1 Limited Edition
15, *5,111 Zero no Tsukaima ~Princesses no Rondo~ vol.1

Note: The anime DVDs which were not released in the given period were excluded. The numbers of copies are the sales in the first week after the release, not the total sales during the whole month.

Source: Oricon Anime DVD ranking
Source: Oricon YouTaiju Service *account required