Clients are one thing. I have no warranties. An actual server which your entire domain is on, would benefit from a warranty. I found out the hard way. There is a huge difference in having parts available (HP will send them overnight) and having a problem with your server due to an issue that can't be fixed by us. There is also a difference between a domain setup where changing the "server" for the databases is quite a chore and a peer to peer where you simply copy and paste the database to another PC and change your paths.
But, these is just thoughts to think about.
