Think we got this one right. We were looking for ways to let users choose multiple products and avail discount while doing so. For now it is offering products from JoomlArt, JomSocial and iJoomla. Discount levels are calculated based on the number of products added as well based on the price of products.
Discounts range from 20% to 65%. Give it a try and let us know what you feel.
BTW, this bundle maker system is powered by a cool new Joomla component we developed.