The Risks Of A 1024X Minecraft Texturepack
http://b3.zcubes.com/v.aspx?mid=1521625&title=4-dirty-little-secrets-about-the-minecraft-earth-for-android-industry
To mine obsidian you'll require at least a diamond pickaxe. Offer the rank some perks, treat the donator rank as an item and you're selling it. It will release this fall specifically from XBox 360.