Joen just saved me a ton of time by showing me how to resume a large file transfer using rsync instead of scp. I had gotten 200M into a 650M download via scp, then I changed my VPN settings and the connection died. Using rsync, I was able to resume and save myself the hour it would take to download the first 200M again. w00t.
Saving tons of time with rsync instead of scp