Audio Aero Prima integrated Mk1. Just bought it

Hi guys,

I just bought the first version of the Prima integrated! I'm really excited to get it. It's new. Is there anything I should know about taking care of the tubes? This will be my first tube amp (well, hybrid). When will I need to replace them? Can tube rolling be done with this piece (I don't think so)?

And thanks, Howard, for all your help!