Staples has 2 decent shredders on clearance, ymmv for online and in store stock:

SKU #: 915097, $29.97 Omnitech 12-Sheet Cross-Cut Shredder (currently in stock online for Ottawa area).
http://www.staples.ca/ENG/Catalog/ca...Keyword=915097

SKU #: 366787, $39.97 Omnitech 16-Sheet Cross-Cut Shredder
http://www.staples.ca/ENG/Catalog/ca...Keyword=366787

If you can find in store stock, prices may be cheaper in store (some stores give clearance pricing discounts, even on electronics). Prices are decent since both of these shredders use to retail around the $100 range.