Here is the weekly DVD sales ranking for August 17th - 23rd.

"DVD" indicates simultaneous release of Blu-ray edition
*1, 10,033 788,452 Gake no Ue no Ponyo
*2, *7,853 **7,853 Saki vol.2 Limited Edition
*3, *7,310 **7,310 Fireball
*4, *6,028 **6,028 K-ON! vol.2 DVD
*5, *3,650 **3,650 Hayate the Combat Butler!! vol.1 Limited Edition DVD
*6, *3,496 **3,496 Toaru Majutsu no Index vol.8 Limited Edition DVD
*7, *2,776 **2,776 Higurashi no Naku Koro ni Rei vol.5 Collector's Edition
*8, *2,247 **2,247 Maria-sama ga Miteru 4th vol.6 Collector's Edition
*9, *1,889 942,078 My Neighbor Totoro
10, **,*** ***,*** Utsurun Desu. vol.1
**, **,*** ***,*** (Madagascar2 Special Edition)
11, **,*** ***,*** Zettai Karen Children vol.13
12, **,*** ***,*** Saint Seiya: The Lost Canvas - Meiou Shinwa vol.2
13, **,*** ***,*** Mobile Suit Gundam: Char's Counterattack 30th Anniversary Collection
14, **,*** ***,*** Mobile Suit Gundam III: Encounters in Space 30th Anniversary Collection
15, **,*** ***,*** Nintama Rantarou 16th Series vol.5
16, **,*** ***,*** Mobile Suit Gundam I 30th Anniversary Collection
17, **,*** ***,*** Nintama Rantarou 16th Series vol.6
18, **,*** ***,*** Mobile Suit Gundam II: Soldiers of Sorrow 30th Anniversary Collection
19, **,*** ***,*** Isekai no Seikishi Monogatari vol.4

Blu-ray
*1, 29,000 29,000 K-ON! vol.2
*2, **,*** **,*** Toaru Majutsu no Index vol.8 Limited Edition
*3, **,*** **,*** Hayate the Combat Butler!! vol.1 Limited Edition

Sources:
Oricon Anime DVD ranking
Oricon YouTaiju Service
goo ranking
Anime!Anime!

Additional Info:
The DVD edition of Hayate no Gotoku!! is called "Ver.1.11". Addition of new scenes and re-recording of the voices and BGM are done.

Source: Hayate official blog

A 10min long picture drama of Saki will be included in each of the DVD vol.3 - 9.

Source: Saki official blog

ref. the full data of the last week's ranking
DVD
*1, 16,235 778,419 Gake no Ue no Ponyo
*2, *2,354 940,189 My Neighbor Totoro
*3, *1,857 *14,839 Mobile Suit Gundam: Char's Counterattack 30th Anniversary Collection
*4, *1,644 *57,308 Kara no Kyoukai 6: Boukyaku Rokuon Limited Edition
*5, *1,520 *10,853 Mobile Suit Gundam III: Encounters in Space 30th Anniversary Collection
*6, *1,380 *10,366 Mobile Suit Gundam I 30th Anniversary Collection
*7, *1,377 *10,147 Mobile Suit Gundam II: Soldiers of Sorrow 30th Anniversary Collection
*8, *1,353 *18,378 Usavich - Season 3
*9, *1,131 **9,685 Mobile Suit Gundam F91 30th Anniversary Collection
10, *1,127 **3,680 07-Ghost vol.1 Limited Edition
11, *1,124 *12,919 Lupin III vs Detective Conan
12, *1,097 397,006 Kiki's Delivery Service
13, *1,074 *15,612 Eiga Precure All-Stars DX: Minna Tomodachi - Kiseki no Zenin Daishuugou Limited Edition
14, *1,002 673,354 Castle in the Sky
15, **,908 *10,326 K-ON! vol.1 DVD
16, **,843 **8,467 Sengoku BASARA vol.2
17, **,832 **5,571 Mobile Suit Zeta Gundam: A New Translation III -Love is the Pulse of the Stars- 30th Anniversary Collection

Blu-ray
*1, 1,341 36,561 K-ON! vol.1
*2, *,963 88,653 Evangelion: 1.11 You Are (Not) Alone
*3, *,256 *5,366 Higashi no Eden vol.1
*4, *.250 44,427 Final Fantasy VII - Advent Children: Complete Normal Edition
*5, *,245 10,138 Toki wo Kakeru Shoujo
*6, *,181 10,379 Mobile Suit Gundam 00 Second Season vol.6