Personal technology enthusiasts yearning for the Mac Experience without the Apple Tax—that huge markup that Mac users pay for off-the-shelf PC hardware with OS X—your days of gnashing teeth may be over. Psystar, a plucky little company from Miami, Florida is, for the moment, selling OpenMac, a Mac clone with Leopard pre-installed for $554. You also get: 2.2 GHz Intel Core 2 Duo CPU 250 GB Hard Drive (7200 RPM) 2 GB DDR2 667 RAMIntel GMA 950 integrated graphicsDVD+/-R Optical Drive4 USB ports For another $110, you can get an NVIDIA GeForce 8600GT, and for another $50, you can get...