Check this comparison out: http://www.anandtech.com/mac/showdoc.aspx?i=2740
I find the comparison extreme well done. No BS. Some issues have not been tapped as much as I would have liked, that is:
less vertical pixels 900 vs 960
no FW800
no DL DVD RW
only 2 USBs
The article points out CLEARLY, that processor swapping is a NO NO (soldered, not socketed

I find the comparison extreme well done. No BS. Some issues have not been tapped as much as I would have liked, that is:
less vertical pixels 900 vs 960
no FW800
no DL DVD RW
only 2 USBs
The article points out CLEARLY, that processor swapping is a NO NO (soldered, not socketed