nah, i torrented- offline for me. I'm a horrible person, i know, but i'm not shelling out $20 for a game right now if i can get it for free.
try doing more things with redstone. circuits and whatnot. hell, see if you can't make a song out of those note blocks. there's also texture packs, mods, etc.
great game, and i'll definitely buy it legit when i get the money.