Microsoft Sysinterals provides excellent research tools to analyze system tasks and processes.  Recent updates have been published.

Microsoft Sysinterals Update
http://isc.sans.edu/diary/Microsoft+Sysinterals+Update/10825

Microsoft Sysinterals Home Page
http://technet.microsoft.com/en-us/sysinternals/default.aspx

QUOTE:  We have received notification that Sysinternals has had some updates. One in particular that is a favorite among handlers is Process Explorer. Process Explorer v14.11 includes the ability to configure network and disk activity icons in the tray.