Let's be fair. Every company's thinking about their next big thing even when working on their current product. So, it's not surprising to me that Microsoft would be posting jobs for
what looks like positions needed to facilitate their next console. They are probably at a stage in their development that it's time to ask for people to help.
The question, of course, is when are we going to see the next console. I, personally, don't want another one for a few more years. I think we have a pretty good setup with Sony and Microsoft and the economy's still in a shape that purchasing another console doesn't seem ideal. I don't think the developers are ready for another console for a few years as well.
But, I would like to know what you guys want to see in the next Xbox though.