today's uarch is definately not at its limits. Look at the Core 2 Duo. Huge performance jump. What is at its limits is manufacturing process. 45nm is already incredibly small. Then after that is 32nm. Its not getting that much smaller. The reason for dual/quad cores is because its...
its easy to mod to get the 8 pin. Take two ground wires and stick them in the empty holes on the video card. The extra wires in the 8 pin connector are just ground wires. They dont' give more power to the card. And the card works with 2 x 6pin. You just can't use overdrive.
guys...over time anything will hold a charge. You have metals in your computer. Whether it be the BGA solder points on your RAM or the pins/pads on your processor. Water will touch it. Then it will start to hold a charge.