Originally posted by K(s)evin You may be in EV comp. mode. Press the +/- button located next to the ISO button and between the top LCD and shutter button. This should get you back to start. You should now see a whole number (25, 60, 500 etc.) in the upper lefthand corner. This is your shutter speed, which is displayed without the whole fraction (1/). If you go above one second, it will have " just above and to the right of the number.
Didn't bring my camera to work today, but I have definitely seen EV mode pop-up at one point and I bet that's the issue. I'll try it when I get home! Thanks, Kevin!