Question: I have the Continental OnePass Plus MasterCard (obtained in December, 2010). It has just been converted to a United MileagePlus Explorer card (according to chase.com), though I haven't yet received the replacement card. I presume that Chase will let me keep the same card number, thus my MileagePlus card will be a MasterCard, and not a Visa.

If that is the case, would I still be eligible for the signup bonus for the United MileagePlus Visa?