According to this article over at SwitchToAMac.com, we should be seeing new Macbook and Macbook Pros by the end of November. They’re basing their estimates on how many days (on average) there has historically been between updates.
Given the fact that I just bought a Macbook Pro, these estimates will probably turn out to be true. With exception to one machine, every Mac I have ever bought has seen new models within 2 weeks of me buying it. I’m just not on Apple’s schedule.
So, you may want to wait until the end of the month if you’re planning on buying. Of course, if you wait that long, you should probably just wait until January (Macworld). Don’t forget, regardless of what happens in January, we’ll probably see updates in June or July of 2008, so maybe you should wait until then. … and so on, and so on, and so on… :)