Apple has added a number of models of the current 15-inch Retina MacBook Pro to its online store for refurbished products, marking the their first appearance in the store since their October launch. All six of the currently available configurations are listed as shipping in 1-5 business days and are available at a roughly 15% discount compared to brand-new machines. Available models include: - 2.0 GHz quad-core Intel i7 with 8 GB RAM, 256 GB flash storage, and Intel Iris Pro Graphics: $1699 ($300 savings)