Thanks.

System Specs are:

Intel i7-920 CPU
ASUS P6T Motherboard
Corsair XMS DDR3-1333 3GB RAM
2 x Sapphire HD6970
OCZ Vertex 3.5" 160GB SSD
4 x Seagate 1.5TB HDD's
ACBel 700w PSU

System temps are 25-30 idle for both cards and CPU, and 45-50 load for both.