Looks like there's yet another VR treadmill Kickstarter.
Despite the interest every time there's a crowdfunding campaign, I feel like these will never really take off since they're just not feasible for most people. [spoiler]It'd still be super cool to try one out though.[/spoiler]
https://uploadvr.com/kat-walk-c-kickstarter/
https://www.kickstarter.com/projects/katvr/kat-walk-c-ready-player-one-vr-treadmill-at-your-home/description