You might've heard that crazy rumor making the rounds that Microsoft leaked the Windows 7 beta on purpose to build some positive buzz, and while there's no real evidence (or likelihood) of that of any sort, the seemingly-magical build 7000 is certainly doing well for itself. Following up on wide praise for the fledgling OS, ZDNet's Adrian Kingsley-Hughes pitted the beta up against XP and Vista in some informal "real-word" tasks like boot up, shut down, file maneuvers, installations and other common tasks. On both test systems, an AMD Phenom 9700 setup and an Intel Pentium Dual-Core E2200 number (with ATI and NVID