According to this Shacknews report, Activision CEO Mike Griffith said in the company's Q1 earnings call last night that he expects PS3 to outsell 360 this year.
The exec's estimates:
- PlayStation 3: 8 million units
- Xbox 360: 6-7 million units
- Wii: 15 million units
- PlayStation 2: 4-5 million units
More through the link.
