I'm not even close to being an audiophile, but I've tried the Klipsch S4i's and they are great, especially for the price. Also their silicone tips are shaped differently which seem to be more comfortable and stay in-place better.
16 Gnu Swallow Tail Carver . 16 NS West . 15 NS Snowtrooper BIA
16 Burton Genesis X . 15 Now Drive
16 Flow Talon . 14 Flow Hylite