Apple has once again dropped the cost of refurbished iPad 2s at its online store, checks show. A 16GB Wi-Fi model now costs only $419, $30 less than a recent figure, and $80 off the price of a new equivalent. 32 and 64GB Wi-Fi refurbs have been cut by $50 to $499 and $599, while 3G tablets are still $80 to $100 off their brand-new prices.