Originally Posted by 95wildtt

I really couldn't tell a difference, to be honest.

I tried them side by side in direct sun light and in my garage...
I think in some color settings/combinations (I tried them all several times) the v4 may be a bit brighter as there are combinations of 8 LEDs, instead of only 4 in the v3.

The v4s aren't bad by any means, expect for my opinion of the inconsisent light pattern (blue/white), and are very bright.
A camera blends the light colors into one nice even color, but your eye will not do that... :-(

Sorry to say, I didn't find a compelling reason to move from my v3s.