And I said many times that the older 840 (non Evo, non Pro) was a good choice. Quite a few people seemed very wary of TLC Nand, and thought the pro was a much faster and more reliable SSD. On paper it was, but in reality I doubt that most users would tell the difference.
The Evos use TLC Nand, but they are suddenly very popular for some reason (better specs ?).