system testing

Tried option trading 30 years ago, you know - the three legged stool thing -1) money management, 2) system for entry and exit and3) DISCIPLINE to adhere to the rules in the first two legs. First two were successful but crashed with discipline. Still have money management skills and...

If I wanted to design a purely mechanical trading system and extensively back test it using end of day data on hundreds of markets, what software would be best? I currently use Metastock for charting but before I start writing and testing formulas I want to make sure I am using the best...