Hmmm, in this case I tend to agree with NeurOnauT. SLI is great in many scenarios, but in a notebook it will cause more power consumption and heat, and you need to remember that in a few games SLI just doesn't work. For a normal PC I'd go 970s SLI (I'm planning on buying a second 970 for myself) because of the price/performance, but for a notebook I'd go the other way. BTW, how about the prices? And the other components are the same in both notebooks?