Xbox 360 4gb owners may be interested to know that Microsoft has announced a new memory upgrade for the console. The company is now offering 8gb memory cards for the Xbox 360, doubling the amount of storage available to users. The new memory cards are available in both 2GB and 4GB sizes, and will cost $39.99 and $59.99, respectively. The 8gb cards are compatible with all Xbox 360 models, including the original model released in 2005. The announcement comes as Microsoft prepares to launch its next-generation Xbox console later this year. The company has not yet revealed what features the new console will include, but it is likely that it will include more storage space and enhanced graphics capabilities. ..