On the high(est) end, By Terry released six shadow sticks, that promise to do more than just wash you lids in gorgeous color.
Ombre Blackstar Pencils are also infused with Black Pearl Extracts and promise a 'smoothing glow.'
There's also the question of price. These retail for about $45 each. Not cheap. I've mentioned before that By Terry is not the way to go if you're looking to save $$.
I like these for layering and blending. I used the Black Pearl and Misty Rock in my 'Blackout' look:
Covet Worthy? No. But they're nice if you just want to splurge.