Use the settings Nick provided in this thread:
http://www.simforums.com/forums/forum_p ... 29041&PN=1Start there. Change the settings until you get good eye candy but good performance as well.
In your FSX.cfg, we i7 users have found that "texture_bandwidth_mult=90" is the best to use, just don't go over 90. If you don't like that, then go down to 80. See how your textures load and if you get stutters or not with those settings.
[BUFFERPOOL]
PoolSize=100000000
is popular amongst us i7 people as well. That will reduce your stuttering a lot. If it doesn't help or make things worse, either drop it down to 90000000 or 80000000 and see what happens, but I think you'll like it at 100000000.
The last tweak to make is this:
http://www.simviation.com/cgi-bin/yabb2 ... 1236299941That might or might not help depending on your hardware and how your system is set up. In my case, it helped quite a bit.
You should be able to get that system running with HIGH settings. I'm running on high settings and my system is just half of yours.

[center][img]http://www.simviation.com/phpupload/uploads/1369006030.jpg[/img][/center]