How many Sales will the Halo Franchise End up with by the End of this Gen?

[Barozi]

S.T.A.G.E. said:

seece said:
40 Million + for sure, 50 million if Halo 4 comes out

Gearbox will be making Halo 4. Halo Reach could hit 10 million LTD. ODST will ship 5-8 million for sure.

*cough* http://www.thatvideogameblog.com/2009/07/30/gearbox-not-working-on-halo-4/