What software are you using to bakup your laptops?
We are using Retrospect at the moment which seems to change hands every 6 months or so, its currently with Roxio and I'm fed up with it!
Its the most unstable version we've ever had and their support is awful! After it messed up a few weeks ago and going through support they told me there was nothing to do apart from start from scratch. I did that and now its screwed up again. After spending most of my support call spelling my name (don't even ask how long the email address took) I need to look for an alternative if there is any...