If the topic is not even close or over 6 months old. Start a new topic, or e-mail Irvin directly. Though I really doubt Irvin ever used a Babolat machine.
I have not done it yet, but they ship you a loaner head to use, then you ship your head in the packaging. Then when they send back your head, you do it again. So most of the cost is in shipping, because the head is pretty heavy.
Machines: Gamma 6004 2-point w/ Wise 2086 & Babolat Sensor Dual