Ive had my camera for a month now I think I manage to get dust in when I first took it out of the box. I first notice this speck late DEC but havent seen that speck till today. Its only visible when I have the aperture around F10. Is this dust or something more? I took this today (20 Jan 07) and this one late December: I used a air can to blow in the compartment with the sensor so Ill go out tomorrow morning to find out if its clear. Hopefully its not there anymore.