Amazon has a good deal on the Cuisinart CB-60 Cast-Iron Double Burner for 49.64 + Free Shipping!
A bit about this item:
The Cuisinart Cast-Iron Double Burner offers the ultimate in cooking flexibility, adding two extra burners to any kitchen, or any place without a kitchen! Its 1800 watts of power – a 1300-watt large plate and a 500-watt small plate – heat up quickly and retain high heat throughout cooking. The “coil-less” cast iron plates are durable and wipe clean in a snap. Premium brushed stainless steel housing looks stylish in any setting.