Chapters/Indigo is currently offering a new promotion for new Wifi Kobo users. Purchase a Wifi Kobo and recieve The Bishop's Man by Linden MacIntyre and Oryx and Crake by Margaret Atwood absolutely free. The promotion runs until December 24th 2010 so it's a great time to get some bestsellers to add to your Kobo library.
http://www.chapters.indigo.ca/home/