Install virus protection software and keep it updated. You need to find the local computer guy or gal who can come over quickly, troubleshoot hardware and software, and make minor repairs. You also need software support resources. You may want to line up a local training or help desk resource if you can find one. ASPs ASPs provide many desktop and information management functions by renting you software to use on the ASP's servers and storing your data on their servers.
ASPs have promising potential, but the concept is new and just being batte tested.
If you're like most of lawyers, you have your hands full practicing law and that is what you want to do. More complex technology than you really need can be a huge distraction and require large investments of time as well as money. After you get up and running you can add the bells and whistles and try as much new technology as you have need, interest and energy for. But in the mean time, keep it simple.