Easy
Get a second hard drive and install it.
Disconnect your old hard drive in order to keep it safe.
Use your recovery disks to re-install the OS.
Once that is done, reconnect your old hard drive and remove/backup your pictures and any other data you have.
This costs you the price of a hard drive and your time. If you can't get a hard drive over there for a good price then order one from the states, you will have to wait but that beats paying $450, that's insane.
/al