I was going to try just a straight p2p without a dedicated desktop as a "server". It sounds like the concensus is that this is a bad idea.
Bill, this is the beauty of solo practice. There is more than one way to skin a cat. Your example is the perfect juxtaposition to PKA's situation. He has a complicated network that he must build upon and therefore REQUIRES a very stable platform.
However in your situation, your networking needs are very simple. P2P would work just fine. It's a lot cheaper for certain. There are limitations, but it WORKS.
Just remember: use a DEDICATED desktop to house the database. If someone is using that PC while 4 others are trying to access the database, the whole system can slow down. Also, if someone inadvertently causes a Windows error and the computer unexpectedly shuts down......oops everyone is shut off from AC.
I used P2P for the 1st year of my practice. God forgive me for admitting this fact........<<gulp>> but I used Windows XP HOME edition. What part of HOME did I not understand???