* What Citrix has been working on
* A look at the evolution of the mainframe
* Do the numbers matter to corporate customers
* Using proxy appliances to better control and secure corporate Internet access and traffic
* The big news out of IBM last week
* A look at some of the more useful freeware and shareware tools you can use to monitor and track your network and applications
* The market for XML acceleration technology should be a growing one
* Network World's NW200 celebrates its 10th anniversary
* A look at the developing trend of clustering servers
* The number of wireless connections to network services is expected to eclipse that of wireline connections
