They need to get through lens footage rendered in HMD as high as they can, and captured at full resolution on camera if they can handle it.
@xunshu @PimaxVR For your kickstarter video, please make a video like this
If people can see a through lens comparison of your 8k unit, the 5k unit, the rift, and Vive, then folks can actually SEE how good it will look.
Consumer indecision is going to be your campaign's greatest obstacle, so the more that people can see direct real quality comparisons through lens between different HMDs, the better it will be. They will be more likely to buy.
Also, for your kickstarter video, I hope you have a pc with a gtx 1080 ti to actually push the content at the highest quality you can. If you ask a premium, we need to see a premium demo.