Thanks avrionov for this submission.
ExplorerXP is a very fast, small, compact and innovative FREEWARE (for non - commercial use) file manager for Windows 2000/XP. Unlike the regular Windows Explorer, it displays the total size of each folder and allows you to browse multiple folders from a tabbed interface. It also includes an option to split and merge files, and to select or delete files based on wildcards.
Features - Tabbed interface, folder size information, real size of compressed files & folders, Unicode support, Merge & Split tools, wildcard selections, advanced copy/move.