To make sure that your system will run flawlessly, always try to use certified hardware. The hardware certification process is an ongoing process and the database of certified hardware is updated regularly. Find the search form for certified hardware at http://developer.novell.com/yessearch/Search.jsp.
Depending on the number of desired installations, it is beneficial to use installation servers or even completely automatic installations. Have a look at Chapter 2, Deployment Strategies for more information. When using the Xen virtualization technologies, network root file systems or network storage solutions like iSCSI should be considered. See also Chapter 11, Mass Storage over IP Networks—iSCSI .
SUSE Linux Enterprise Server provides you with a broad variety of services. Find an overview of the documentation in this book in About This Guide. Most of the needed configurations can be made with YaST, the SUSE configuration utility. In addition to that, many manual configurations are described in the corresponding chapters.
In addition to the plain software installation, you should consider training the end users of the systems as well as help desk staff.