I think flagstaad and Sherlock's estimates are about right. I don't think a new IP like this will be able to move a million first week, even with great publisher and retail support.
@Oyvoyvoyv
There are a couple differences which you've forgotten between Conduit and Metroid. Conduit has online multiplayer, which will be a huge draw for a lot of gamers. And Conduit will focus on shooting lots of stuff, rather than exploration and challenging boss fights, which means it will target a more casual (and therefore larger) gaming audience.
"The worst part about these reviews is they are [subjective]--and their scores often depend on how drunk you got the media at a Street Fighter event." — Mona Hamilton, Capcom Senior VP of Marketing
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