I guess it might be boredom with the "standard" look but I thought I'd try putting some black crème polish on my Colour 8 PCT Service Boots. I wasn't too nervous as I'd done something similar to some Dublin leather Wolverine 1K boots a while back and liked the results.
Here is a pic from Nov of last year:
After application of the black crème:
I couldn't get the lighting exactly the same but they are definitely darker and I think exhibit more...