Build a PC
A lot of people are intimidated by building their own PC, but it's a lot easier than you might think.
- No pre-packaged bloatware slowing you down.
- Far cheaper hardware, OEM options
- Pay for what you want.
PC Building Help
Hardware Revolution - A good site for finding a range of options for your build -- from economy, to mid level, to beastly machines that will require a second mortgage. You can build a PC based just off of their suggestions with no compatibility issues.
Tom's Hardware - All manner of hardware reviews.
Ars Technica - A cheeky little video series on building your machine.