Solar-Hydrogen Fuel Cells

Okay, I'm taking advantage of Google's Notebook application to search for, note and document what I've managed to find on a personal interest of mine. Creating a personal Fuel Cell power generator. The idea is collecting rain water from my roof into a barrel, using wind and solar power to electrolyze that water and running various appliances with a Fuel Cell using the hydrogen collected during the day and during windy conditions.

The question I am trying to answer in the public Google Notebook is a) Can this be made to be efficient and worth the investment, and b) Is it as or more cost effective and efficient than some other solution, such as one using rechargeable batteries, or some such.