Beat Bottle: Built with a slot to hold your iPhone, this speaker and water bottle combo amplifies music through the base, so you can—quite literally—drink in your favorite tunes. Coolest thing ever? Yes.
If this doesn't make you want to drink water. The Square - a water bottle designed by Apple folks. Won't roll away, fits cup holders, and can be opened with a quarter turn. Created by David Mayer, via Kickstarter.