What skateboarding trick should I learn next?

May I suggest one of these; 50-50 Saran Wrap, 50-50 Sidewinders, 360 Flip, 360 pressure Flip, 540 double kickflip, 540 Shove-it, Airwalks, Backside 180 Flip, Casper 360 Flip, Casper Slides, Caballerial impossible, Double heelflips, Flatground Ollie, Frontside Heelflip Shove-its, Godzilla Rail Flip, Gazelles, Heelflip, Helipops (360 Nollie), Half-cab kickflip underflip, Helipop Heelflips, Half Flip Darkslide, Handstand flips, Kickflip Underflip, Kickflip, No Handed 50-50 Kickflip, Ollie Impossible, Ollie Nosebones, Ollie Fingerflip, One footed Ollie, Rusty slides, Sidewinders, or Switchstance 360 Flips? Sorry about the kickflips but I'm sure you'll be able to do them sometime.