Nah, I've only used 'tehgraphitone' on minecraft - I set up the account a while back with a view to buying sometime in the future and in the meantime dabbled a bit with the free version. Username's always been the same and 'graphitone' had been taken already.
Drew, that rather large castle/fort building 'o yours - was that created with any sort of mods giving you unlimited blocks or did you mine everything for that yourself?!
Ant - can you cheat for other people? For example, could you give someone a swift backhander of 20 redstones straight into their inventory, or doesn't it work that way?