This 2m length of an established magazine favourite, the excellent Copper-line will improve even 1080p pictures - helping stability with fast motion, in particular - and sonically it tightens bass. Well worth the money then.
Clearer Audio Copper-line HDMI (2m) review
Tested at £60.00

What Hi-Fi? Verdict
Will improve even 1080p pictures, helping stability. Well worth the money.
Pros
- +
Improves even 1080p pictures, tightens bass, stabilises motion
Cons
- -
Nothing at all