Sephora's OPI nail polish is AMAZING! If you don't like that brand then i suggest essie as second best !
Here is a link for OPI:
http://www.sephora.com/browse/brand_hierarchy.jhtml?brandId=OPI+for+SEPHORAWhere is a good place to buy nail polish ???/?
essie best nail polish .
essie.comWhere is a good place to buy nail polish ???/?