MacMall offers the 4.5-lb. Apple MacBook Pro Crystalwell Intel Core i7 2.6GHz 15.4" Laptop with Retina Display, model no. ME874LL/A, for $2,599.99. This $50 mail-in rebate cuts it to $2,549.99. With free shipping, that's $649 off list and the lowest total price we could find. It features an Intel Core i7 2.6GHz Crystalwell quad-core processor, 15.4" IPS retina display, 16GB RAM, 1TB SSD, NVIDIA GeForce GT 750M 2GB video card, AirPort Extreme (802.11n wireless), Bluetooth 4.0, Facetime camera, Thunderbolt port, and Mac OS X 10.9 Mavericks. Rebate expires March 31.