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Your next step would be to fill out the form at the FTC noting that you ordered a product X number of days ago and that BFL has still not shipped it to you. When you asked for a refund, BFL refused.
Maybe. I contacted PayPal by phone and received the same response, even though I am also a long-time account holder. PayPal did promise to contact BFL and ask them to ship my order--for whatever that's worth.
My next step has been to contact PayPal's fraud department to point out the blatant and ongoing violation of their terms of service for pre-order sales. I believe this is BFL's Achilles heel. BFL needs PayPal.
Of course, my complaints would certainly carry more weight if other BFL victims would follow suit.