Thanks for the request, landlubber! Based on the search results, the Rexel Momentum X420 Cross-Cut Shredder Security Level P-4 20 Sheets for R17,126 is your top option. As the biggest and most powerful shredder listed, it'll make light work of heavier loads of paper. It's cross-cut shreds of 4mm make airtight security for your private docs. While not cheap as chips, its healthy appetite and strongman strength will serve you well on your shredding voyages for years to come. If the X420's too far out of budget, the Rexel Momentum X410 at R4,304 gives similar mighty muscles for less cash in pocket. With any option, compare-o-rama at PriceCheck first to find the best plank-walkin' price!