is counting down to the unveiling of Inc. magazine's Inc. 500 list with a profile a day of one of this year's honorees. Check back Monday through Friday until Oct. 19, when we reveal this year's number one company.

Location: Miami
Three-Year Growth: 293.9%
2004 Revenue: $112.4 million
Employees: 504
Founded: 1996
What it does: Custom-builds supercharged personal computers--mostly for hard-core computer gamers. Why it's growing: Computer gaming is an $11 billion-a-year industry and growing fast. Alienware machines, which cost as much as $30,000, are equipped with super-fast graphics processing and high-performance screens and sound systems.