It was inevitable, really -- but the incessant demand for Intel's woefully underpowered Atom processors sure did last a lot longer than we anticipated. Originally made famous by those so-called "netbooks," the Atom is currently facing two hurdles in remaining wildly popular: 1) slumping demand for new PCs and 2) bona fide competition. For months on end, the Atom really was the only game in town when it came to powering netbooks and nettops, but with the unveiling on NVIDIA's Ion, the promise of a GPGPU (or cGPU) and Intel's own CULV platform, Atom's neces