The Banias is okay. 130nm doesn't cut it for me. I prefer the Dothan's 90nm or the Yonah's 65nm. Low voltage, low temperatures, a relatively low clock speed, yet performs wonders. The Pentium M or the Core Solo/Duos are amazing.
Nate, don't judge by clock speed. It's the way the architecture works that counts.
I'm running at about 30c/31c right now. A little high for my expectations considering I'm using the SI-120 and a 120mm Delta Tri-Blade, but then again the fan is running at like less than half of it's fastest speed thanks to it's jet engine sound when put that high.