ING's offering $100 cash bonus when you sign up for a THRIVE chequing account and switch your payroll deposit to that account. http://www.ingdirect.ca/thrive/
The fine print:
Payroll must be deposited between June 1st, 2013 and September 30th, 2013. Limit of one (1) bonus per Account. Offer available to new ING DIRECT Clients only.