If you've been losing sleep in eager anticipation of the new Gmail for mobile, rest assured that you'll sleep soundly tonight. With support for both Android phones and iPhone / iPod Touch OS 2.2.1, the gang over at the Google mobile blog are justifiably proud of the new app. Expect nothing less than a more robust cache that utilizes Gears to allow you to compose messages and access recently read messages without a network connection, an improved look and feel, and the all new "floaty bar" (their name, not ours) that keeps popular menu commands from scrolling off screen, as this bad boy rolls out progressively over the course of the day. And for
