AMD announced new Phenom X4 CPUs of the end of March. Digitimes cites Motherboard sources that there are two new 45nm Phenom X4 CPUs (codename: Deneb) coming in 2008.

The new rumored AMD CPUs include the 125W Phenom X4 9750 and the 95W Phenom X4 9850 will appear before January of 2009. There is supposedly also an updated version of the upcoming Phenom X4 9950 (June) at the end of the fourth quarter. 45nm AMD Phenom X4 CPUs are to be expected on shelves this November.

AMD is also supposed to begin production for the low-power Phenom X4 9350e (Agena) in the third quarter, while the low-power 8450e (Tollman) will see production begin in the second quarter.
More details on Digitimes.