These don't look like a lot on the forums I see, but play far more realistically to me.
NHL 10 Sliders
These settings are all about the puck being less predictable – more bounces, turnovers, breakaways, etc.
All-Star
12-13 Minutes
Penalites – Max
General
Game Speed – Max
Attribute Eff – Max
Fatigue Eff – Max
Fatigue Rec – 3
Injury – 3
Puck Control – 0
Player Acceleration – Max
AI
AI Learn – Max
CPU Diff Adjust – 0
Faceoff Diff – 3
Fight Diff - 3
CPU Pen – Max
CPU Teammate Pen – Max
Passing
Pass Assist – Max
Manual Pass – Off
Pass Speed – 3
Saucer Pass Speed – 3
Pass Acc – 0
Pass Int – 0
Shooting
Shot Acc – 0
Shot Power – 3
Slap Shot Acc – 0
Slap Shot Power – 3
One Timer Acc – 0
Checking
Hitting Diff – 0
Aggression – Max
Hitting Power – 0
Stick Lift – 0
Poke Eff – 0
Goalies
Goalie Passing – Max
Goalie Cover Puck – Max
Goalie Screen Eff – 3
Goalie Reaction Speed – 3
NHL 10 Sliders
These settings are all about the puck being less predictable – more bounces, turnovers, breakaways, etc.
All-Star
12-13 Minutes
Penalites – Max
General
Game Speed – Max
Attribute Eff – Max
Fatigue Eff – Max
Fatigue Rec – 3
Injury – 3
Puck Control – 0
Player Acceleration – Max
AI
AI Learn – Max
CPU Diff Adjust – 0
Faceoff Diff – 3
Fight Diff - 3
CPU Pen – Max
CPU Teammate Pen – Max
Passing
Pass Assist – Max
Manual Pass – Off
Pass Speed – 3
Saucer Pass Speed – 3
Pass Acc – 0
Pass Int – 0
Shooting
Shot Acc – 0
Shot Power – 3
Slap Shot Acc – 0
Slap Shot Power – 3
One Timer Acc – 0
Checking
Hitting Diff – 0
Aggression – Max
Hitting Power – 0
Stick Lift – 0
Poke Eff – 0
Goalies
Goalie Passing – Max
Goalie Cover Puck – Max
Goalie Screen Eff – 3
Goalie Reaction Speed – 3