While the dock is a love it or hate it feature in OS X, most people who enjoy the dock’s company also in some form enjoy stacks. The expanding folders that reside on the dock make it easy and quick to see inside a particular folder. Until now, Windows users have had to suffice with….nothing (please correct if I’m wrong). However, your patience has paid off as Windows 7 will finally bring with it a nifty 3rd party app called...