NVIDIA CEO Jen-Hsun Huang indicated Tegra isn't just a little side project, he said the ARM-based processor is expected to account for half of NVIDIA's business in a few years. Huang also talked about Apple and the future of computing, check out the article for more info.
Huang also addressed its Tegra chip, which is an ARM-based design that integrates an Nvidia GeForce processor. Tegra is targeted at smartphones and Netbooks. Responding to a question from an analyst, he said that in a few years Tegra may represent half of its business, with the rest divided up between the professional (Tesla, Quadro) and the consumer GeForce markets.