the reason they're going to be able to do that is one of the biggest silver mines, penasquitos, and they can sell the silver and use it to offset the cash cost of producing an ounce of cold. you're going to have to pay up for this growth, but it does have a high growth. >> tom: any disclosures for these, alix? >> no. none. no stocks. >> tom: you can read more of her article at thestreet.com. word on the street with alix steel, reporter with the street >> susie: here's what we're watching foromorrow. federal reserve chairman ben bernanke speaks to independent community bankers in san diego. we'll also see new home sales for february and weekly mortgage applications. hilary kramer is our "street critique" guest. send your questions to streetcritique@nbr.com. research in motion plans to go toe to toe with the ipad next month. on april 19, the blackberry maker will release its tablet computer called the playbook. it will be sold through several retailers, including at&t, sprint and verizon. the tablet is now available for pre-order at best buy. the playbook is smaller than apple's ipad, but