Costco is keeping up with the green wave.  They have a Eco Round 67-Gallon Wooden Rain Barrel for $199.99 shipped. A lot more expensive than using a trash can but certainly a lot more elegant.

It has a connector that attachs to your rain gutter’s downspout. A heavy duty bladder inside actually holds the water.  It even uses FSC Certified Canadian Spruce wood. A solid brass tab lets you access the water