WOW this is awesome!!
I have Minecraft quilts on my Christmas 'to-do' list - my niece & nephew are totally obsessed with the game. I'm planning much simpler quilts than yours though, I'm just doing one big creeper face on each with random green squares behind it. (Creeper is the green guy in the top left corner of Knitette's quilt, for those of you not familiar with the game).
Your quilt is really making me re-think that plan, though, I like yours so much better than what I am planning! But I have to make 2 of them in twin size, plus about four other quilts for Christmas that I haven't even started yet. (eep) Maybe I'll stick to the simple quilts and make them pickaxe pillows for their birthdays or something! LOL
Really really well done, and it IS too bad this pattern can't be sold!