.P Harrison: Third parties can only reach 40% of Wii owners.

[Stever89]

Total TP Wii sales (6 million sellers): Nearly 10 million
Total TP PS3 sales (5 million sellers): 8 million

Average: 1.6 million Wii
1.6 million PS3

Tie. Hmm. The only difference would be it takes a lot less sales to make money. So Wii wins.