I remember seeing something about this a while ago, and thinking it was really cool. A couple of my friends have this polish. The cracked look doesn't really go with my style, but if you can rock it, more power to you! My favorite polish trend of the moment is all of the spring colors. I love the mint, lavender, dark purple, and hot coral colors. I wear a lot of pastels, so these colors work for me.
A good website to help build you nail polish collection: eyeslipsface.com. At first glance, it seems a little sketchy, since everything is a dollar, but those nail polishes are really good. They don't chip off easily, they don't need a lot of coats, and they have a great selection of colors. It beats most of the other brands I've tried (excluding OPI and Essie). If you go to retailmenot.com, you can find some coupon codes that will get you free shipping so you will only have to pay for the polish (or makeup) you buy. I have the mint and light purple colors from here, and I love them