This is my favorite brand of nail polish. 30% off of $30 or more. The code is NOV3030. Free shipping on all orders of $75 or more.
http://www.bynubar.com/store/index.php?p=home Nubar has an amazing formula and pretty amazing colors too. Here are my two favorite polishes in the world, which happen to be made by Nubar:
Me sporting 4 (or 5) coats of Sugar, which is mainly a top coat, but with enough coats it's the most amazing polish in the entire world (Jem and the Holograms!). Pink jelly (pretty opaque with all these coats) with small and large holographic glitter:


Here is Purple Rain Glitter, which is blurple with glitter:
a video of it where you can see the glitter and how it shines on her nails
http://www.youtube.com/watch?v=Z8QAWkBQW0I&feature=player_embedded#! (not my pic. It belongs to PuckLizardRN on Flickr)

To see swatches of the colors on nails, try the following:
Google image search
http://www.google.com/imghp?hl=en&tab=wiRegular Google search
Google blog search
http://blogsearch.google.com/?hl=en&tab=ibNailgal
http://www.nailgal.com/search.phpFlickr (you could just do a search for "Nubar" if you wanted)
http://www.flickr.com/