Samsonite via eBay offers its Samsonite Tectonic 2 15.6" Laptop Backpack
in Black or Black/Lime Green for $34.99
with free shipping
. That's the lowest price we could find by $16, although we saw it for $4 less in July. It features padded, adjustable shoulder straps, quick-access storage pockets, and accommodation for laptops with up to 15.6" screens.