I'm completely sold on LED bulbs as long, as their price efficiency beats CFLs. But the one problem I see is that a large percentage of the population doesn't understand even simple algebra and break-even points, let alone
time value of money. Many people just look at the initial cost and base their opinions off of that, regardless of operating expenses or potential benefits. It's also why public works projects (improved highway interchange, expanded airport terminal, new high-speed rail line, etc) that engineers calculated to have positive cost/benefit analysis get shot down by politicians or voters who only see an initial price tag in the billions.
So the challenge for this fundraiser is to both sell people on a product, and sell people on the concept of thinking longer-term and considering operating costs, benefits and break-even points rather than just the initial expense.