This site seems to have the most information so far.
I bought an Inspiron back in Dec '04, so I guess I'll be checking out Dell's website tomorrow morning.
Dell Announces Battery Recall; Instructions on Company's Web Site Tuesday at 1 A.M. Central Daylight Time
In cooperation with the U.S. Consumer Product Safety Commission and other regulatory agencies worldwide, Dell is today announcing the voluntary recall of approximately 4.1 million Dell-branded lithium-ion batteries with cells manufactured by Sony. Under rare conditions, it is possible for these batteries to overheat, which could cause a risk of fire.
The recalled batteries were sold with the following Dell notebook computers: Dell Latitude D410, D500, D505, D510, D520, D600, D610,D620, D800, D810; Inspiron 6000, 8500, 8600, 9100, 9200, 9300, 500m, 510m, 600m, 6400, E1505, 700m, 710m, 9400, E1705; and DellPrecision M20, M60, M70 and M90 mobile workstations; and XPS, XPS Gen2, XPS M170 and XPS M1710. The batteries were also sold separately, including in response to service calls. "Dell" and one of the following are printed on the batteries: "Made in Japan" or "Made in China" or "Battery Cell Made in Japan Assembled in China." The identification number for each battery appears on a white sticker. Customers should have this number available when they contact Dell to determine if their battery is part of the recall.
Customers should contact Dell to determine if their notebook computer battery is part of this recall. Please visit the firm's Website at www.dellbatteryprogram.com beginning at 1 a.m. Central Daylight Time Aug. 15 or call toll-free at 1-866-342-0011, Monday through Friday, 8 a.m. to 5 p.m. Central Time. Customers may continue to use the notebook computers safely by turning the system off, ejecting the battery, and using the AC adapter and power cord to power the system until the replacement battery is received. Customers can also write to: Dell Inc., Attn: Battery Recall, 9701 Metric Blvd., Austin, Texas 78758.