Domainsatcost has a sale going on: new .ca domain names for only CAD 9.50 (normally $12.95). The email mentions this deal ends soon.

You must enter this promo coupon code to get the discount:

SUMMER

Must use promo code at checkout.
Promotion valid from 06/22/10 9:00am EST – 07/01/10 11:59pm EST
Available only for new .CA domain registrations.
Transfers and Renewals are not eligible.

Head over to Domainsatcost.ca now, and benefit from this offer.