When will we see Samsung 840 Pro reviews?
It looks like the Pro models will run with the best performing enthusiast ssd's.
Newegg.com - Internal SSD: SAMSUNG model list
Of the 23 models currently listed, 11 are out of stock; 7 of the out of stock models are 830's.
I checked availability at TigerDirect, and they only had 8 Samsung models currently for sale.