Newegg.ca has just put out a promo for new customers to save $10 off on a purchase over $50. Simply enter the promo code NEWCUSTOMERCA at checkout to receive the discount.
I believe whether your account or new or not is just based on email, but I could be mistaken.
The Fine Print
Offers expire 03/31/2013 at 11:59PM PDT. Offer valid while funds last. Offer is valid for new customers only; excludes new customers who use the Guest Checkout option. Cannot be combined with other promotions. Limit one per customer.