I have had pleasure of using a £2500 gaming Aurora Extreme, from them, with monitor the lot for the money, I found the case to look well, build quality was good enough. However nothing was done which could not be built by yourself and probally cheaper.
I dont know just the marketing department is well organised. For a forum on Alienware's and other computers and where you can learn some home truths try visiting
www.notebookforums.com ( if i am not permitted to post that link feel free to remove it
) They deal with Alienware in a subforum.
I am thinking of a laptop from the, because I like the layout of the laptop's and I need one which will run most modern games.