G'day, Gary!
Back a while ago, you did that poll in Dragon on the various aspects of RPGs - very illuminating and thought-provoking, I must say!
Which aspect do you find easiest, and which do you find hardest as a DM to handle properly?
Personally, whilst I love role-playing, I find it extremely difficult to pull off, especially when I'm not getting good feedback from the other player: instead of feeding off each other, it turns into one person doing all the work. "I am Sir Malkonian, lord of these lands. What are you called, adventurer." "Bob." "Why have you come before me." "Need work." "Is there a reason that I should hire you?" "..."
Conversely, finding quests for the players seems relatively easy to me, though at times it turns into quest overload. "Can't we have some down-time?" "But there's a dragon about to eat your castle, and you need to find the Sword of Magnificence to kill it! No, you can't rest, now!"
Cheers!