Hot on the heels of its first quarterly profit in three years (thanks to Intel, strangely enough), AMD is launching a new pair of desktop processors today that hit for under a buck twenty (amongst a few others). The $99 Phenom II X2 555 Black Edition is the company's quickest dual-core desktop CPU to date at 3.2GHz, while the Athlon II X4 635 is expected to be one of the least expensive quad-core chips around. Both slabs of silicon hit the test bench over the weekend, and as you may expect, no one was particularly blown away. Of course, AMD never set out to shock and awe with this duo, but the perfor