For me it was the 15' haswell rMBP's that did it. Quad core i7, pciX ssd, that screen, amazing battery life. Literally the best laptop ever made. I just wait

For me it was the 15' haswell rMBP's that did it. Quad core i7, pciX ssd, that screen, amazing battery life. Literally the best laptop ever made. I just wait for nothing now. CS and Xcode were super annoying on my old machine