With homebrew I didn't even have to do that, since the Lion upgrade leaves /usr/local and launchd alone. The only rough spot I had was installing the App Store

With homebrew I didn't even have to do that, since the Lion upgrade leaves /usr/local and launchd alone. The only rough spot I had was installing the App Store version of XCode, because I was a dumbo and installed the beta version of XCode in /Developer (never do this).