I've built a new machine just a few weeks ago for DCS-A10 based on Sandy Bridge (2 days before the SATA bug was brought to our attention).
* coolermaster haf 932
* scythe stronger 600 psu
* i5-2500k
* asus p8p67
* msi gtx 570
* 8 gig ram
* 120 gig ssd
* 1 tb hdd
It flies pretty well
