Man, this is what I've been waiting for. Having your videos disappear after 30 days or so really made dtube pointless for me. Guess it's time to really give it a shot now.
Also, I wish I knew anything about nodes or how and what it takes to set them up. I don't know if it's possible, but having an option in dtube's settings to set aside your desired amount of HDD space would work wonders to get an average user like me to help out a little.