If you want to save money or build an out of this World Computer, then a custom build is the way to go. For starters you can create exactly the type of PC you want and usually a lot cheaper than buying of the shelf.
Some Custom
PCs and
Gaming Machines can look amazing or downright weird.
Check this list of 10 >>
Crazy Custom Built Computers 
Bargain shoppers guide to PC gaming: It's cheaper than you think(games.com)
Wolfenstein: New Order Gets First Impressive Screenshots(news.softpedia.com)
