I'm currently commuting from home to London on the train. Luckily I have a laptop and Wacom to keep me busy.
Here's one of the quick Zbrush sculpts I've been working on. A more classic take on Batman, avoiding the armoured versions that seem de rigueur these days. Sculpted from a polysphere, using Dynamesh, with no reference. More shots here: http://redbranchblog.blogspot.co.uk/2014/10/batman-zbrush-sketch.html