Nice results, but depending on the application, sequential read/write speeds aren't as important as small file random read/write speeds, so that would be a more interesting test. I'm not sure of the best application to test that on a Mac. Xbench is one that is free and it would be interesting to see a comparison between the old and new rMBP for different block sizes, plus for reference a comparison with a cMBP with a fast SATA-III SSD like a Samsung 840 Pro.
Plus, I don't think the rMBP SSD is eSATA.
http://en.wikipedia.org/wiki/Serial_ATA#eSATA
From my understanding the new late 2013 rMBP does away with the SATA layer altogether and uses a PCIe based interface.
