Another approach is to find a system that makes money in choppy markets and trade that one as well. If both systems make money over time, you should see a smoother equity curve.
Our software will trade multiple systems 100% hands free. I have seen many mechanical systems that have been consistantly making money. As BrandonF said, multiple systems will smooth your equity curve and reduce drawdowns.
Our new software has automated execution from TS, VB, C++, and several other programming languages. It also allows you to trade multiple systems and multiple accounts. It makes it easier to be disciplined and follow your system.
You should check out our new software. It will automate the execution and risk management of your trades 100% hands free. You can also manually trade in your account without interfering with your systems position.