The latest Japanese sales charts for September 19-25th are now available, courtesy of Media Create. The PSP has a strong showing with two games in the top ten, which hasn't happened in a long time. It's still not the three games that the Nintendo DS has, but it's better than usual.
1. NDS Tamagotchi no Petit Petit Omisettchi – Bandai – 55,000
2. PS2
– Koei – 54,000
3. GBA
– Nintendo – 51,000
4. PS2
– Konami – 43,000
5. NDS
– Nintendo – 39,000
6. PSP
– Bandai – 37,000
7. PSP
– Konami – 29,000
8. GBA
– Banpresto – 28,000
9. NDS
– Nintendo – 25,000
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10. PS2
– Koei – 21,000