this is not a modification to power store that we can offer support for, it would require creating brand new admin pages form the ground up and coding the logic to perform the specific tasks you would like to allow.
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.