What heatsink compound have you guys been using as a redo on the singles Huh

Personally, I despise thermal grease. I plan to replace the grease in my mini rigs with phase change material (PCM).

Some info:
http://www.electronics-cooling.com/2002/05/understanding-phase-change-materials

Where I buy it:
http://www.opentip.com/Electronics/Startech-Heatsink-Thermal-Pads-Pack-p-1075383.html

Also on Newegg:
http://www.newegg.com/Product/Product.aspx?Item=N82E16835230030

Experience has led me to love PCM for CPU and GPU cooling. Never tried on an FPGA, but I'm definitely going to.

The feedback on Newegg doesn't exactly sound confidence-inspiring...

Dude, I use them on all my K7 CPUs, they totally keep 'em cool.