If you've shopped around for graphics cards lately, you'll know AMD's Radeon HD 4870 and Nvidia's GeForce GTX 260's graphics cards have both been available around the $250 mark for weeks. The GTX 260 was usually a tad cheaper than that, while the Radeon was typically a tad more expensive.
Both companies seem to have adjusted their pricing, however, because we now see Newegg selling an EVGA GeForce GTX 260 for only $220 with free shipping. (The same e-tailer also offers an MSI model for $210, but you'll need to factor in shipping, and MSI doesn't offer a lifetime warranty like EVGA does.)
On the AMD front, you can now get a Sapphire Radeon HD 4870 for $230 with free shipping. There's a rebate that can knock the price down to $210, too, if you're into that sort of thing. Even $230 is a tantalizing price for a card like this one, though—as is $220 for a GeForce GTX 260 with a lifetime warranty. Just remember that the Radeon should perform a little better in most games.
Incidentally, we should note that Valve is celebrating the 10th anniversary of the original Half-Life by selling the game for 98 cents on Steam—a nice little deal if you've never played the game or you've just misplaced your installation CD. The offer runs out today at noon PST, though, after which Valve will start charging $10 again.