The Inspiron 6400 is a mid-range notebook with an entry-level price tag. It'll handle most applications nicely, but it's a little on the heavy side and isn't suitable for extensive gaming.
If you think two graphics cards are excessive, you ain't seen nothing yet. Announced at the Dell keynote during CES, Dell's new XPS 600 Renegade high-end gaming PC marks the introduction of Nvidia's GeForce Quad SLI technology.
Your new PC will only be as good as the sum of its parts. Here's a quick guide to the main PC components you'll find available in 2006, so you can match your performance requirements and budget realities.
Vista can be a performance hog, but there are many ways you can tweak the OS components to speed it up. See what actions you can take to remove bottlenecks and optimise Vista.