On Apr 1, 2008, at 12:41 PM, Zane H. Healy wrote: > My wife has an older 2Ghz MacBook, I believe it > has shared graphics memory and has no problem with video performance. Zane; what kinds of things does she do on that MacBook? very demanding things like video, photoshop? 3D? or a mix of web, word processing and other things? thanks! n