I bought one (xps 15, 9510, top spec) recently and like it a lot - solid build, good Linux support and very powerful. However.... don't expect to be able to us

I bought one (xps 15, 9510, top spec) recently and like it a lot - solid build, good Linux support and very powerful. However.... don't expect to be able to use it very long on battery power. It's pretty much like a 'portable workstation' class machine.