Use vista ultimate myself.
Run Interactive brokers tradestation and MBtrading Navigator.
Works perfectly, never crashed the last 4 months.
*touches wood*
Not an investment expert myself, but deep value investors look to buy shares between 50% and 100% of bookvalue.
Easier in a bear market one would think
i have confidence in my system, perhaps a bit too much even, so i didn't take a loss. one of the problems is that i'm using a method where i have to hold overnight, and i'm not really comfortable holding futures overnight, so i used options instead.