If you need to browse Microsoft Windows WMI class, Micosoft as published a very nice tool to do so call scriptomatic. This is realy helpfull when you need to view WMI class structure. Also It can help when troubleshooting installation issue. It is also a nice tool to have in it's bag. It can be found at this location.

While browsing the Web, I came across a really good editor Notepad++. It support many feature like perl, vb and PHP code. Have a try when you got time. BTW it is a Windows editor. It works well on Vista.