Dick Smith have a 30 day money back guarantee on Logitech Harmony universal remotes. The terms of the guarantee say that you can return it to a Dick Smith store within 30 days of purchase for a full refund.
Their prices on them are pretty good too with the Harmony 1000i available for $299 (cheapest on staticice is $289.95).
I wonder whether people would actually splash out $300 bucks for an 'universal' remote.