I use a Lenevo W530 at work. It's great, it has a mobile i7 quad core processor, discrete graphics card with 2GB VRAM, 16GB DDR3, etc. It's a very powerful mach

I use a Lenevo W530 at work. It's great, it has a mobile i7 quad core processor, discrete graphics card with 2GB VRAM, 16GB DDR3, etc. It's a very powerful machine, and does not weigh much.