After the WWDC, and with a musical vision, we think the MacBook Pro 15" (classical model not Retina!) is the best news since few months (and before the future Mac Pro in 2013).
Why? Because with a Quad core, Configurable to 2.7GHz quad-core Intel Core i7 (Turbo Boost up to 3.7GHz) with 8MB L3 cache and a nice interface: MagSafe power port, Gigabit Ethernet port, FireWire 800 port (up to 800 Mbps),Two USB 3 ports (up to 5 Gbps), Thunderbolt port (up to 10 Gbps), Audio line in, Audio line out, SDXC card slot, Kensington lock slot,and 8gB of RAM, it's just what we need for mobile studios...