Is nobody doing that anymore? Would be certainly more interesting now, since there is such a volatility in metal prices lately. Back then, we were guessing if Gold would go up 10 Cent in a week or only 5, remember? And today it moves 5 or 10 Dollars in 1 hour sometimes...
Well, why don't you start something again? I don't have the disciplin for it, and I don't want to let people down.