Agreed, I believe it is generally client driven. If the client is a do it yourselfer, he may want to be more involved in set up, and will have to be more involved in maintenance. These will less often be our clients.

We more often will be working for people who don't want to mess with this stuff, either in setting it up, or making sure it works all the time.

Then of course, Mac hits the nail on the head with certain equipment being required for certain applications and doing things the right way.