I am very interested in this setup as well. I feel Bigscreen Beyond 2[0] has a very good balance of size and weight. But its VR and not AR. I can't wait to create something that does computing in VR well. Something that Simlula VR[1] has been trying for a while now
[0] https://www.bigscreenvr.com [1] https://simulavr.com/blog/intermediate-products/