I am going with the E6600 because its 100 dollars cheaper and from what I have read on various foriums the e6700 dont show that much of a performance increase.
 Be sure and get a Mother Board that will handle quad 4 so if later you want to upgrade to it you will be ready.   I am going with Asus commando that keenart suggested because of this reason.
 He has been a big help for me picking what I think will be a good computer. :)

Something I didnt know is you got to be sure and get a power supply that has enough output on the 12v rail to support a Viedo Card.
  To many problems with drivers for me to go with 64 bit right now but may later if 3rd partys get drivers out for it. :)
  I am hoping I see a big improvement when using Vue 6 with the setup I am getting ready to build. :)

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