How Much Would Halo 3 Sell On PS3?

[Xen]

City17 said:
I think that most people who want to play halo 3 would just pick up a 360.
You can usually pick them up second hand for $100.

Most gamers have multiple consoles to begin with.

Halo 4 multiplat would probably sell 3:1 in favor of the 360 IMO

That's incorrect.