
for the Joker's comments. I too believe that Windows Servers are pretty solid, they take a bad rap in that area. I have 4 of them and rarely need to reboot them or anything else. All mine are Server 2003 and we also have Exchange 2003 and its running on a 10 year old Dell Server.
Oh yes, the size of the email attachment. While SJ's example is amusing, its very true. With the size of pictures people are trying to email ... and then they wonder why the attachment doesn't come through or why their mailbox is full.

Now our small school doesn't do anything earth shattering like 40hz's client will be doing. so I cannot speak to the kind of problems the newer exchange software might bring or the extra features that might bring some happiness to someone.
Heck, why don't you just move them to gmail and let Google take care of them?

Just kidding.
Just setup 2 mail servers with real time copying to the second server and the if the first one goes down, the second one would automatically take over. They probably could do something like that for 20-30K USD.
