sent in the following hack...
I'm not sure if anyone is interested in this hack or not, but the following
wish list functionality to your existing Web store, literally placing a
customizable "add to wish list" button next to any buy button or shopping
Gift registries and wish lists are already being used by many of the Web's
top retailers to boost their sales and attract new users (take a look at
Amazon.com and see the prominence they give their wish list).
While a sample of the script is below, I would encourage you to visit the
following URL to learn more about the benefits for retailers, see a product
walkthrough, and discover more about our integration options:
If you have any questions, or if you would like to discuss integration
options further, please do not hesitate to contact me.
Here's the source.