I picked up a cheap glitter polish for $1.99 at Target and broke it out yesterday. It's Sinful Colors in Frenzy, and I didn't have high hopes after hating their Irish Green with a passion. I like it though. Glitter is pretty straightforward, so I guess it's hard to mess that up unless you have big chunks or something. Frenzy is a blue and purple glitter that could almost pass for 4th of July red and blue at a distance. The glitter pieces are small, so they're not annoying (but it is harder to get a clean line).
Feast your eyes on Frenzy!