Here's my new AMD X2:
An X2 5600+ on some cheap Compaq board. The stock cooler was a 1-inch-thick Aluminum thing with a fan that spun at about 12 RPM that kept the CPU to ~80C under load. I've replaced it (for now) with a copper heatsink from a Pentium D. It's cable-tied on and keeps it at about 65C. If anyone has a stock AMD heatpipe heatsink or similar, I'd love one!