Based on the JGoodies Java library, SevenBeans is a NetBeans module that makes pinning the IDE to the windows task bar easy. There seems to be an issue with NetBeans not being able to pin itself to the taskbar of Windows 7 x64.
My personal experience was that NetBeans would not pin at all, and for others, the icon duplicates itself. But with SevenBeans, you can pin the IDE to the taskbar and start menu without any icon duplication, icon overlays, a jumplist to recently opened projects and tabbed thumbnails of opened documents.
So if you’re a NetBeans user and experiencing the problem of pinning it to the taskbar on Windows, you might want to give SevenBeans a try.