What's in a name? Very little if you're buying computer hardware lately. Back in the day, you could easily compare two CPUs because their names were simply how fast they were -- now you've got series of processors and graphics cards with naming conventions dreamed up by marketing gurus who don't know a front side bus from a school bus. NVIDIA had been shooting for something simple with its G, GT, and GTX lines, but it looks like last year's talk of a re-tooling of its lineup are coming true; all those seemingly straightforward letter prefixes seem set to be dropped in favor of "GeForce" followed by a number. The fi