If you're looking to upgrade your PC in time for Christmas, or build a new rig based on Nehalem, one of the most fundamentally important choices you make will be the graphics card.
Choose wisely, and you'll have years of high definition gaming ahead of you.
Choose badly and you'll be back to the shops by June.
But which offer the best performance in their category, and which are good value buys? Here's TechRadar's pick of the five best.