Our tip jar, it brings us so much joy -- and it brings you, dear reader, this printout of what's purported to be the Best Buy database listing for one of those heretofore-unknown MacBook model numbers. You'll note that whatever MB402LL/A turns out to be, it's said to be in stock on March 2nd, which is just a few days away -- but also note that current MacBook Pros have MA-series model numbers, while the regular MacBook has traditionally carried the MB designation. That's interesting, but we doubt a $1,999 MacBook is about to surface -- besides, the current MacBook box is 15 inches square, smaller than the 17 inches listed here. (Yes, we measured.) As always, we'll see when we see -- come on Tuesday, you're almost here.