Power Store can sell digital items that the purchaser would download from your site.
once downloaded, they would need to import the files to the device, for example import to Itunes to synch it to the Ipad.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.