what acronis solution should i get?

Background:
We are a small library with about 60 computers.
30 computers for normal surfing, and 30 computers for searching after books in our database = 2 different images.

My wishlist:
To have a solution where i can roll out a image/updates (msn, flash, shockwave etc.) on all 60 computes at once.
Sata disk support, windows 7 support (when the time comes)

Cons: My guess is that the price is pretty steep, and based on pr. client.

What i have now:
Acronis true image 11, setup with Mudcrap guide
http://www.themudcrab.com/acronis_usbharddrive.php

I use it so i can roll out new images, it works flawless, a little slow but it works.
But the other day i had a accident and drop the disk while it was running, and that was the end of that disk. :( :(

The only 2 problem i had with that setup was, that it was slow, about 20 min for rolling out a image.
And it did not work with new computers (Sata disk)
And ofcause i had to do one computer at a time, so 60 computers is around 2 weeks work.

So what solution should i get, now that my disk is bricked.

Is there anyway i can make my "current" solution work on a flash stick instead of a USB harddrive.

BTW: Im in a workgroup.