recursive 301 redirect from sourceforge -> pydata
The old docs on sourceforge.net still have much higher google juice than the new ones at pydata.org. E.g. I just googled "pandas rpy" and hit #1 is pandas.sourceforge.net/r_interface.html, hit #4 is pandas.pydata.org/pandas-docs/dev/r_interface.html. So I keep clicking the first link, and then realize that I'm looking at outdated docs, then hit back, etc., and it's gradually becoming rather annoying.

The ideal fix would be a 301 redirect, which would pass all your google juice on to the new site. Not sure if sourceforge allows the relevant .htaccess rules: https://support.google.com/webmasters/bin/answer.py?hl=en&answer=93633
Or maybe via php: http://sourceforge.net/apps/trac/sourceforge/wiki/Project%20web#Re-directingtoHostedApps
