Bright Side of News reports NVIDIA executives decided to invent yet another new naming scheme for the company's GeForce GPUs because they weren't happy with the way how the last renaming went:
In August 2009, I had an interview with Roy Taylor, then serving as nVidia's main TWIMTBP guy [The Way Its Meant To Be Played]. Most of the nVidia exec team wasn't happy with the way how the renaming went and it was decided to rename the complete new line-up into something much simpler.
When the company launched its OEM parts for desktops and notebooks with GT120, G210 and GT220, we thought that renaming won't be happening - but we were wrong. According to information at hand, all of the newly released parts will fit under one banner, with GeForce being the cornerstone brand, followed by a number in hundreds. All of the parts belonging to GT200 [NV60-NV65] series of chips will be renamed into GeForce 2xx. GeForce 9 series [NV55] becomes GeForce 1xx and the upcoming GT300 [NV70] series will simply be named GeForce 3xx [example: 360 and 380].