The next price cut is not far away, it will be on October 18th, affected are:
AMD Athlon64 3400+, 3500+ and 3700+
Mobile Athlon64 (Low Power) 2800+, 3000+, 3200+ and 3400+
Mobile Athlon64 (Desktop Replacement) 2800+, 3000+, 3200+, 3400+ and 3700+
Mobile Sempron 2600+ and 2800+
So if you are wanting to upgrade your system it might be worth it to wait a couple weeks if you are building on a tight budget!
Hope this helps you AMD builders!