L'Oreal's Anti-Sticky Invisi Gel - I've been using this since I was 16. It gives my curls great definition without giving me that wet look which I don't like at all.
Thermasilk Volumizing Mousse or Suave Mousse - I use in combination with gel for volume & definition.
I also try not to use too much product in my hair because I love soft, bouncy curls with lots of volume.