User blog comment:Commdor/BioWare Reveals ME2 PS3 Content Details/@comment-217683-20101106044856/@comment-2088100-20101106051912

The wording was pretty ambiguous. Perhaps it's a new mission that has yet to be announced and released for the PC/360? It certainly did not say "exclusive" though, so getting upset about it may be jumping the gun.

That said, if it does end up being exclusive, I'll be unhappy as well.