Hey, i've updated the thing a bit...
So I removed the old "controller type" combobox, and replaced it with a checkbox, i thought it was much more appropriate.
Also added an hidden "rumble strength" feature, you can tweak it in nJoy's ini config, it goes from 1 to 10, with 9 being the default rumble strength.
Also, keyboard is working right now, and I fixed another bug related to the DPAD while using a no hat joystick, introduced with the latest update... sorry

(which also fixed the crash that could happen when stopping a game and launching nJoy's config box)
Thus I think there's not so much i could add now ( maybe keyboard using SDL or Wx ?

) and i think it's likely one of the latest updates
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P5W DH Deluxe i975x | 2 x 2GB G.Skill PI black | ATI HD4870 1GB