Hey Kennb27,
   I saw that the other day too.  Pretty stupid how they're selling it for 40 bucks these days.  I think they may have put it out as a result of my call into Best Buy, but I'm not sure.  The day I got the demo disc, I called the morning it was supposed to be out, and the guy on the phone was like, "It's not supposed to be on the shelves until Thursday."  And I was like, "Well, it is Thursday."  And he said, "Ohh, then we do have it."  The whole thing was hilarious, but at least I got my demo disc.
    I think Best Buy sometimes fails to follow the rules on promotional deals.  I remember seeing the Ocarina of Time/Master Quest disc out in Best Buy for $14.99 even before the date is was supposed to be released to only those who had pre-ordered!  I hope Nintendo doesn't catch onto these kinds of mishaps by Best Buy.  It's nice to get things at a better deal than you should, especially when Nintendo's going to jack up the price of the demo disc to $40.