The article is "Top 10 Paid Apps That Are Well Worth Their Price." It is listed at number 2
2. Xplorer2 and Path Finder
Windows Explorer and the Finder are pretty simplistic, and sometimes that's good. But when you need to do some serious file management and organization, it's time to switch to something better. For that, we recommend our favorite file explorers for Windows and Mac: Xplorer2 ($30) and Path Finder ($40), respectively. Xplorer2 brings multi-pane, tabbed file browsing to Windows, as well as instant file previews, tons of shortcuts, and more features we could possibly list here (and if you're willing to spend an extra few bucks, Teracopy makes an amazing partner to Xplorer2). Path Finer offers dual-pane and tabbed file browsing in OS X as well, along with a temporary "holding stack" for your files, built-in command line support, and, most shockingly of all...cut and paste! Okay, that was a low blow, but still...cut and paste.