Got an email from gamestop about this promo
Its on gamestop.ca weekly ads
Valid on titles priced $64.99 and lower. Applies to titles with a minimum $8 trade value only. Valid trade titles include PS3, PSP, Wii, DS, 3DS and XB360 games. While supplies last. Offer may be discontinued at any time. May not be combined with any other offer. No dealers please. Promotion valid from May 1-28, 2011. See sales associate for complete details. Valid only in Canada.
Its on gamestop.ca weekly ads
Valid on titles priced $64.99 and lower. Applies to titles with a minimum $8 trade value only. Valid trade titles include PS3, PSP, Wii, DS, 3DS and XB360 games. While supplies last. Offer may be discontinued at any time. May not be combined with any other offer. No dealers please. Promotion valid from May 1-28, 2011. See sales associate for complete details. Valid only in Canada.