Steyr 1908 .32acp firing pins
 

After searching off and on for a firing pin for about 8 years... a provider just appeared on ebay! He also has some available for the 1909 .25acp variant.

http://www.ebay.com/itm/STEYR-MODEL-...item46360e6e6d

I just ordered one. Fingers crossed that it will work...