Are you looking for just creating a node, or setting up an entire system with ability for "X" nodes?
Creating a node takes just a few minutes - we then have whitebox installations that we can run on the server which take a few minutes to copy in which then prep the server for software etc by the client.
In all, maybe 15 minutes total (probably less) for a cPanel VPS to be provisioned and ready. If a user wants the cPanel WHM configured then for immediate use, then tack on another 30-40 minutes configuration time by our admins to setup their namesevers, optimize the machine and compile Apache etc.