[mcdougle]

reimage it again when you get home?

edit: To those below: True. I thought about hardware after I posted; didn't even think about the BIOS thing but that's a great point.

[01Michael10]

Re-imaging your hard drive will not help with BIOS malware. Re-installing the BIOS yourself may help.

Your data should stay at home and a VPN connection to your home PC would be a good first step.

[dhimes]

Is there a reliable backup utility for your BIOS? I've come across this, but don't know how to judge it's viability.

[pogden]

Hardware keylogger.

[avn2109]

That autonomously phones home so they don't even have to borrow your laptop next time you fly in order to dump the data.