Laptop (and separate mouse)
Phone and charger
Speakers and headphones
Ethernet cable
Printer
Camera
Alarm clock
memory sticks/ external hard drive (to back up all your work)
if thinking of taking a TV- VGA/HDMI cable and aerial wire
bottle opener and can opener
Extension cable (with long wire)
Other things (not gadgets):
Drinking glasses (keep in room so you know they're clean)
DVDs
Folders to keep work organised
Plenty of paper and pens
Bag big enough to carry laptop around comfortably in
fancy dress items if you have them (don't buy unless you need them)