Last week, Acer told us that Windows 7 would be available on its new all-in-one Z5600 PC starting on October 23, 2009. Nice, but it would have been nice if Microsoft would have confirmed the date, right? Well, on Monday, Microsoft didn’t give us a date, but at least it gave us a quarter. In a press release, as well as a statement at Microsoft TechEd North America in Los Angeles, Microsoft said: As part of today’s news, Microsoft Corp. announced that the company is anticipating that the next version of its client