An Argentinian company is the latest computer maker to defy Apple and release Mac clones. Customers can choose from two models, OpeniMac and OpeniMacPRO. The standard version features a 2.53GHz Intel Core 2 Duo processor, 2GB of DDR2 RAM, and a 320GB 7200RPM hard drive. The Pro clone integrates a 3.0GHz Intel Core 2 Duo processor, 4GB of DDR2 RAM, 500GB 7200RPM hard drive, NVIDIA GeForce GS 1GB G