I have put together a pilot of PHP search page focusing only on PHP specific websites and activities. Realizing that attempts to create generic search better than Google will fail, it looks like there may be some use in "vertical" searches utilizing only known good sources. The search page is currently available from PHP tab and focuses on Source Code and Forums. It will be implemented for other technologies if community likes it.
Here is the direct link but I think it will be more useful in the context of gotAPI website site:
Your comments are more than welcome.