• putting stuff on your calendar? make sure to choose the right time zone! 
• pack business cards
• try to find some nice clothes … just in case
• air out luggage
• laundry
• comfy shoes
• pack small bag good for toting around ipad, mifi
• figure out what to do when not nerding around
• finish identifying cool programs to attend
• fill in personal sessions

feel free to add to the list.