Richter consulting, LLc. 

Specifics
When using a file server, all workstations become disposable.  No user created data resides solely on any individual workstation, instead users keep a cached copy on the workstation, but the main copy is stored on the server.  If the workstation crashes, simply have Richter Consulting technicians repair or replace the damaged hardware, re-image the machine (merely a 30 minute process once the image has been created) and you're back up and running.  We also suggest that you keep a spare workstation for every 10 computers, imaged and ready to go.  While you're waiting for us to arrive and repair the damaged machine, your users will have no excuses for not getting their work done.  All they have to do is pull out the spare workstation from the closet, connect it and log in.  All of their files will be accessible and everything will be as it was.

Why is a server better?
A server is designed to be reliable and redundant.  Unlike workstations, which are designed to be cheap (since you have to buy so many of them, and because of competition).  This causes them to be less reliable.  Servers however, have at least 2 hard drives that are setup to maintain your data even if one fails.  They also typically have redundant, high quality power supplies.  If one fails, the system runs on the spare until a replacement is swapped out while the system remains online.  Servers are also typically faster, and capable of handling the load of many users.  We install server software, which allows more connections, higher security, more management and monitoring capabilities and features designed to provide useful services to networks.  Additionally, they are not overburdened by the typical user software and utilities which can often make computers unstable.  Just the fact that nobody uses a server directly makes them more reliable!