Support and resistance indicator. It can be done, I'm using a commercial S&R indicator for Metatrader when I'm trading manually, and it totally rocks: http://www.pointzero-trading.com/Products/view/PZSupportResistance
The asirikuy guy spent some time on it and developed some ideas in 2011 as well:
http://mechanicalforex.com/2011/06/intro...sistance-o.html

I think this would be an extremely valuable extension in zorro, because S&R / price action is what the big market movers like banks and funds trade. It's extremely reliable compared to technical indicators.