I saw your original post so I'm going to roll with that. My point is, 3.5 will roll around and we'll have a lot of content to do again and yay all is well. Then 4.0 will drop and nothing from 3.x will matter so we will just have a few things. And they will have to ramp up to the end of 4.x again and yay content! <repeat cycle>. My point is, I hope they don't go down that route forever.
Yeah, I think the second expansion will be the most indicative of how they want to handle it going forward.