Thanks for posting this Sammy. It gave me the info I needed to purchase my own Pax a few weeks ago and set it up with full acrylic panels. I opted for the wider Pax frames, so my only option from Ikea were the aluminum sliders... which was fine, that was what I wanted anyway
All I'm missing now is to reinforce the shelving with steel L brackets on the back and aluminum U channel brackets to the front, and add lighting... I've held off on the lights simply because I am still debating on purchasing ready-to-go LEDS vs a custom Raspberry Pi controlled LED solution. I've already changed out the shelf brackets from the plastic ones to steel countersunk brackets so at least that's taken care of.
Thanks again