The 830 are a damn good deal for the moment.
I would stick to the 830 or 840 pro from samsung until people do enough torture tests on TLC nand to see how they hold up. SLC/MLC are fairly well documented now, barring other kinds of drive failures. (cough OCZ cough)
It will take a few months to actually write a petabyte or two anyways.
When I stopped caring about super quiet: E5 1680v2 @ 4.5Ghz, 980ti, i750 SSD - JS9500 & Dell P2715Q for dual 4k@60 because reasons
SAN shares over 56Gb infiniband, microcenter + fleabay = severe risks to my wallet