V4
V4 is something we have been working on for awhile. It represents a concerted effort create something awesome and beautiful.
Lesscss
Something Cool I found Check it out!! LESS extends CSS with dynamic behavior such asvariables, mixins, operations and functions. LESS runs on both the client-side (Chrome, Safari, Firefox) and server-side, with Node.js and Rhino. ~lesscss.org