newegg offers the Rosewill 1,000-Foot CAT6 Ethernet Cable Box, model no. RCNC-11065, for $99.99. This $50 mail-in rebate cuts it to $49.99. With free shipping, that's the second-best price we've seen for a CAT6 cable of this length; we saw it for a buck less without rebate hassles last month. (It's also a current price low for this model by $48.) Rebate expires May 2.