IME the Nemesis and original Inferno will be roughly equal in strength *with the same surface preparation.* However, the Nemesis will be several feet longer and somewhat stronger in back, while the Inferno will pick up the midlane sooner and be more continuous down the lane.
Hope this helps.
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"Dispensing conventional wisdom to a fingertip world."
Horrid in Doubles, torrid in Singles...
...that's The Curse of Dusty.