XC skis and boots are light weight and comfortable. You can choose to use a super fast track ski, or light to heavy touring options. XC ski equipment can be hired from a number of local businesses (link to suppliers). Look for the heading "RETAIL/ HIRE/ LESSONS/ SERVICES". The experts at these businesses will be able to guide you on what ski equipment will be right for you.
A good resource to find out more information about
The Interschools Cross Country Skiing Information Guide, produced by NSWXC, is a good place to start for basic descriptions of XC equipment and other useful information.