http://www.hexus.net/content/reviews...lld19JRD05OTE=I can count the number of commercially available BTX mainboards and chassis' in this country on one hand. I can count the number of UK retailers selling packaged Pentium 4 processors with the Type 1 BTX Thermal Module on the fingers of no hands. Intel are happy for that to happen, too. Softly does it with BTX was the message conveyed to us during recent conversations. While BTX itself is a full platform shift, it's going to happen in incremental steps.