Bring Papers, Pencils, PC to develop on, Tablets if you are doing drawing etc.
Friday night will have a bit of an intro session, watch the keynote video, discuss the them and diversifiers.
Sunday evening will be wrapping up, post mortem like speeches, and everyone showing everyone else their game. There is also an informal awards based on community votes, so aim high!
Internet access secured if you emailed igdajhbgmail [dot] com in advance, but access to the internet is via wifi only - so bring an adapter, get friends with wifi to bridge for you, or bring your own internet.