Dell XPS One

Must say I'm puzzled by some of the responses to Dell's XPS One announced today, specifically comments on some blogs saying citing 'lack of expandability' and the integrated, non-upgradable display (which I would have thought was the point of an all-in-one). Am puzzled because there is another device with a fixed display and limited upgrade options for memory, storage and optical -- it's called a notebook its actually selling quite well I believe.
Granted all-in-ones aren't as portable as notebooks but how many notebooks actually leave people's desks these days, particularly15 and 17 inch desktop replacement models, and how many mainstream consumers actually do upgrade their machine after they bring in home? Certainly the all-in-one design isn't for everybody but take a look at the phenomal growth in notebook sales in the last couple of years, not to mention exisiting AIO models like the iMac, and tell me again there's no market for a products that looks like this? Personally, I think its the best looking product Dell's produced to-date!
Disclosure: I work for the company.