Ok, I've been out to take some pics:
This is before (and clean!)

This is after (tinted but very dirty)!






As you can see, the light tint is very subtle from some angles, but looks quite dark from others - and particularly in dull whether. I like it because it's not 'in yer face' and doesn't make much difference from inside - looking back, it's obviously a more sophisticated look, but doesn't affect clarity of vision, even at night.
Hope this helps!