Dell has just posted information for customers regarding the Intel "Sandy Bridge/Cougar Point" chipset flaw.
Here's the announcement in full:
I know many of you have been reading the recent Intel news regarding the Cougar Point (Intel 6 Series) chipset issue. Intel recently provided details regarding a design issue in the chipset that supports new second-generation Sandy Bridge Intel Core processors. The processors themselves are not affected by this chipset issue.
Dell and Intel are in communication regarding the design issue in the recently released Intel 6 Series support chip set, code-name Cougar Point. This affects four currently-available Dell products, the XPS 8300, the Vostro 460, the Alienware M17x R3 and the Alienware Aurora R3 as well as several other planned products including XPS 17 with 3D.
Update: We have currently removed the four affected products from Dell.com.
For customers impacted by this issue, Dell offers a couple of solutions. Customers experiencing issues will be supported under the warranty and service terms. Once we have new chipsets from Intel in early April, we will provide a motherboard replacement that corrects the design issue at no cost to our customers. Replacements will be provided at the customers’ location and convenience via authorized Dell service providers. Affected customers may also take advantage of the applicable return policy, which may vary by region.
I’ll provide further details as they become available.