Several recent Xbox 360 and PS3 releases will be on sale for $34.99, including Brütal Legend, Left 4 Dead 2, Dragon Age. Many older titles will be $20 or less. Meanwhile, several Wii titles will be reduced to $14.99, while certain DS titles will drop to $9.99 or less. Hit the source link for the full (and still rumored) set of deals. We've contacted Best Buy to verify the ad.
Update: Best Buy has responded to Joystiq about the ad, saying, "As a matter of company policy, Best Buy does not comment on rumor and speculation and so we are unable to confirm if our Black Friday insert has leaked."