The main problem with most Windows systems is that it is difficult for Windows users to accurately view detailed network traffic. Although, it is not necessarily superior to netsstat - it does provide Windows users with a graphical user interface for viewing current network traffic. Nzbstat is one of many products designed to help Windows computers accurately display system information.
Netstat Viewer (aka Nzbstat) is a free GUI front-end for the popular command line program 'netsstat'.