Shut up.
1156 is better value for the money, but that by no means says future proofing is useless. I paid the same for my Q6600 that most people did for their E6850/E8500 and wont have to upgrade the CPU as often. I can probably hold out till beyond Sandy Bridge/Bulldozer but those with a dual core will more than likely have to upgrad at that stage or before.
Read through the WHOLE article linked below for 920 vs 860 vs 750:
http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=3641&p=1
Read through the WHOLE article linked below for 920 vs 860 vs 750:
http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=3641&p=1