I finally have the ability to tool around with Thinkorswim's Prodigio RTS (still in development not rolled out for live use to the masses yet). I sat through watching the two introduction videos which have assisted my exploring. The WizardLab is an awesome way to build entry and exit strategies requiring no coding very similar to Vizio or Access connecting sources, logical operators, technical analysis indicators to trigger buy and sales in a slick GUI while the back end code does the real work. The back testing is incredibly slow or just plain doesn't work at all sometimes when the connection with the server times out or is dropped, I hope this is resolved soon. Since the market is closed today no indication yet how the TradeOptics or built in strategies work, or my custom developed strategies actually perform I am very curios to see how the everything rides with real market data tomorrow.