All about the "cool" factor as well. I think dell generally have the image of being office based pc's probably because theyre intel powered. The xps pc has a nice looking case, alienware case looks a bit eek: for my liking but thneyre known for producing gaming pc's.
The president of voodoo pc put up an article about this as well:
http://voodoopc.blogspot.com/2006/03/de ... ucted.html
"dellienware" ed: