Heavy laptops like that aren't much more portable than some desktops, I helped a Nerd buddy drag his desktop around to many events when I was in high school.
So real interested in news from Dell Alienware about their "Graphics Amplifier", an external GPU bay designed to pair with their new 13" laptop.
Links to the eGPU:
- WSJ http://blogs.wsj.com/personal-technology/2014/10/27/alienwares-huge-graphics-amplifier-turns-laptops-into-gaming-infernos/
- Anandtech http://www.anandtech.com/show/8653/alienware-graphics-amplifier
Link to 13" Alienware laptop info:
- Dell Alienware (Graphics Amplifier under "Accessories & Services" tab in middle of page) http://www.dell.com/us/p/alienware-13/pd.aspx
- Anandtech http://www.anandtech.com/show/8652/alienware-launches-the-alienware-13-gaming-laptop-with-a-twist