A heap of good responses here already Code, several will do wha' ye need. I just plug any external hard drive into either my Airport Express, or Airport Extreme wifi router, good to go. You can get a refurb Airport Express now on Apple refurb store for, wha' was it yesterday ?, $75. Here's a link:
Thank you all for the ideas. I am going to start looking into everything you all have listed and figure out what will work best for us. Thank you all again for the help and assistance!!!