What at the best correlation pairs for trading?

[Sojourner]

I have an EA that uses a strategy of trading the differences of correlation of two different pairs. I was wondering if any of you that have firsthand knowledge of trading pairs like this can share you best pairs in this regard. Thanks.

[mjws00]

I like this tool to analyze correlations:

http://fxtrade.oanda.ca/analysis/currency-correlation

Good Luck.