NVIDIA: there's nothing 'Ultra' about Ivy Bridge Ultrabooks unless you add KeplerBy S. Sakr, 04.23.2012
NVIDIA announces GeForce GTX 580M and 570M, availability in the Alienware M18x and MSI GT780R (updated: MSI says no)By D. Wollman, 06.28.2011
MacBook Pros with NVIDIA GeForce GT 330M graphics get (unofficial) discrete switching utilityBy C. Ziegler, 05.08.2010
MacBook Pros with NVIDIA GeForce GT 330M silicon making questionable graphics switching decisionsBy C. Ziegler, 04.21.2010