Excellent idea. Here're some. I'll add more later when I have more time.
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HU SNG ROI
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Bad heads up . . . need advice
[img]/images/graemlins/spade.gif[/img]
heads up strategy
[img]/images/graemlins/spade.gif[/img]
BR Requirements for HU SNG's
[img]/images/graemlins/spade.gif[/img]
deep stack heads up pushes from SB
[img]/images/graemlins/spade.gif[/img]
Pure Heads Up Poker-The Sweet Science
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NE Algorithm
[img]/images/graemlins/spade.gif[/img]
PokerStars Heads Up SNG Analyzed
The Shadow