AW 17 120hz 780m OR AW 18 290x crossfire?

my m17 has been out of commission 2 out of the past 6 months, mobo replaced 3 times video card twice, dell has agreed to a replacement. below is their first offer
"
Here you will find the suggested configuration for the replacement unit:


Dell Outlet Alienware 18 R1
Processor: Intel Core 4th Generation i7-4810MQ Processor (Quad Core, 6MB Cache, up 3.8GHz)
16 GB Dual Channel DDR3L 1600MHz (8GBx2) Memory
1 TB SATA Hard Drive (5400 RPM) + 80 GB mSATA SSD Caching Drive
Slot-Load Dual Layer...

AW 17 120hz 780m OR AW 18 290x crossfire?

AW 17 120hz 780m OR AW 18 290x crossfire?

AW 17 120hz 780m OR AW 18 290x crossfire?

my m17 has been out of commission 2 out of the past 6 months, mobo replaced 3 times video card twice, dell has agreed to a replacement. below is their first offer
"
Here you will find the suggested configuration for the replacement unit:


Dell Outlet Alienware 18 R1
Processor: Intel Core 4th Generation i7-4810MQ Processor (Quad Core, 6MB Cache, up 3.8GHz)
16 GB Dual Channel DDR3L 1600MHz (8GBx2) Memory
1 TB SATA Hard Drive (5400 RPM) + 80 GB mSATA SSD Caching Drive
Slot-Load Dual Layer...

AW 17 120hz 780m OR AW 18 290x crossfire?

AW 17 120hz 780m OR AW 18 290x crossfire?