There are multiple Best Buy locations doing Infinity demos and giving away freebies this Saturday(November 9th) from 12-4!
Here's the post from GoNintendo: http://www.gonintendo.com/?mode=viewstory&id=216608
And here's the link to the participating Best Buy Stores: http://www.bestbuy.com/site/searchpage.jsp?_dyncharset=ISO-8859-1&_dynSessConf=&id=pcat17071&type=page&sc=Global&cp=1&nrp=15&sp=&qp=&list=n&iht=y&usc=All+Categories&ks=960&st=disney+infinity
Click on the link for November 9th demos under the Infinity banner to find locations.