For firms that want to take control of their technology, the first question to ask is what applications does the office need? This question should precede debates about what hardware and software to acquire, because the choice of applications will drive the choice of products. To start anywhere else is to allow the tail to wag the dog.
Gary A. Munneke, Taking Control of Technology: What Small Firm Decision Makers Need to Know, 16 GP Solo & Small Firm Law. 4 (1999), http://digitalcommons.pace.edu/lawfaculty/822/.