Did a quick search and didn't see these mentioned here. Seems interesting:
Brother AiRScouter Head-Mounted Display with HDMI Input - $299.99 + $6 standard shipping
AiRScouter WD-200B | HeadMountedDisplays | By Brother
Brother AiRScouter Head-Mounted Display with HDMI Input - $299.99 + $6 standard shipping
AiRScouter WD-200B | HeadMountedDisplays | By Brother