What you think?

I'm looking to get some digital air gauges and some electric valves. I've been eying the avs digital setup and I'm a bit curious if anybody has used these. As for the valves I was thinking about going with the manifold versions that have been floating around until I read that they can only handle something like 130psi or something like that. Any recomendations on the valves, I was kinda hoping to put everything in the center console where the headunit normaly is.