Its a pretty big day as Minecraft goes into beta. The game is now about 20 dollars US. The beta fixes some issues and will add better API support.
From Notch’s post:
“Soon, you will be able to buy gift codes for Minecraft, perfectly timed for the holidays! Even better, if you buy those before December 20, accounts created from these codes will count as alpha accounts, and will receive all future updates for free.”
Hitting on all cylinders.
So far this is the coolest build I have seen: