It's really pretty, runs really smoothly (especially on OSes not previously supported by AoS), and those requirements really aren't that high (minimum Intel HD 3000 with 512MB VRAM + 1GHz dual core processor, that's basically any computer this decade).
Additionally, if you don't love the models, feel free to switch them out. There are plenty of pak files available for download across the web, the first to appear in my search result list was https://gamebanana.com/skins/137550.
If you still need to play using the original launcher, you can do that here https://www.buildandshoot.com/download/.
Additionally, if you don't love the models, feel free to switch them out. There are plenty of pak files available for download across the web, the first to appear in my search result list was https://gamebanana.com/skins/137550.