I have been using SezWho universal profile service on my WordPress blog for a while now and I love the options they provide. Well, as everything else develops - these guys just came out with KILLER enhancements.
WinRAR Activator is a powerful archive manager that provides full support for RAR, ZIP archives and decompresses CAB, ARJ, LZH, TAR, GZ, ACE, UUE, BZ2, JAR, ISO, 7Z, Z files.