HokieGreg begins a full analysis of $100-200 heads up sng buyin regular AggsyB.  He talks about dealing with adversity, why negative variance is a positive thing and beating fish is a skill - learning how to beat weaker players at a higher winrate.

Hokie then dives into heads up sng strategy concepts such as advanced board texture analysis, planning ahead on future streets and playin your range, not your individual hand.

Cog Dissonance deals with negative variance in his latest video in the $105s on Full Tilt.

In this video, Rypac13 deals with negative variance.  He focuses on always making the correct decision, rather than letting negative variance hurt your play.  Despite going 0-3 in this video, including a very short match, he describes how to get the most out of your losses and concludes with some insight on the long term goal rather than short sighted near term results.