Inside the box of a desktop or the case of a laptop, all computers are pretty much made of the same parts. Of course, there are variances in processor clock speed, single core vs. dual core, RAM,...
dell sell computers over the internet and have them delivered to your door, they can customize the p.c. to your needs(probably costs more) but it can be worth it.
well you would go to dell.com and you can customize your own personal laptop or desktop its pretty cool and they even have brand new colors i suggest buying dell with INTEL its the best!!! you also...