Some buyers are reporting a yellow tint to their screens -- probably not enough to notice without another unit side-by-side for comparison, but real nonetheless.

ENGADGET: iPhone 3G and firmware 2.0: the day after Mobile

Afraid you won't be able to pull off those high-tint lenses at night or in that top-secret (indoor) business meeting?

ENGADGET: Insert Coin: Eyez 720p video-recording glasses (video)