AMD have just added a new high-performance desktop processor to their A64 X2 lineup dubbed the 6000+, this now being the quickest of the whole range at 3.0GHz.
Also released at the same time are a couple of new single-core Athlon64 processors, these being the 65nm 3500+ and 3800+.
There's a fair bit of coverage on the new flagship 6000+ desktop chip via the following links, and you can get to AMD's official press release here.
SUNNYVALE, Calif. -- February 20, 2007 --Underscoring its commitment to delivering the right products at the right time, AMD (NYSE: AMD) today introduced desktop processors designed for users seeking the ultimate in energy-conscious or high-performance computing. The new energy-efficient 45-watt AMD Athlon™ 64 single-core processors 3500+ and 3800+ can help consumers and businesses save energy and experience significant performance-per-watt benefits. And for those who crave high performance, AMD has also introduced the AMD Athlon™ 64 X2 dual-core processor 6000+. These new processors are expected to be immediately available in the channel and from OEMs including Alienware, Fujitsu Siemens Computers, Systemax and Voodoo, representing the latest in a succession of innovations based on the award-winning AMD64 processor architecture.