Here's a quick NOTD featuring one if the new (but much cheaper than nails inc) feathers from Invogue.
On The Money is small bar glitters in blue and green. Seeing the effect I can understand why they've compared it to feathers. Not sure if its for me though.
Essie - Mojito Madness
Sinful Colors - Savage (Matte)
Do you think you'll be trying feathers anytime soon?