Originally posted by codiac2600 You stumbled upon the feature given to us in firmware upgrade 1.10 I believe. Pentax should be more vocal with the changes they make, but thats another story.
*goes to the Pentax firmware site and reads*
You're right! I probably should've read the site more thoroughly before.
# In any exposure mode except Sv and TAv, you can change your ISO setting with the front e-dial while pressing the OK button. The camera will display your ISO in the viewfinder and on the top LCD panel as you adjust your setting.
I guess the K10D is just full of wonderful surprises.