Try this: http://neosmart.net/blog/2009/windows-7-system-repair-discs/
It's just the recovery mode, so it's only 165MB, but I presume you should be able to use it to repair the installation.
hUZZAH!
Worked, server is back up \o/
:D
Hadn't seen it.
Well i'm glad i went to all that effort of getting it back up and running again.
It's been /swamped/ since it came back online :|