The photo quality from the S3000 is OK; good enough for small prints and Web use, but it is questionable for use with anything else. Though the camera is capable of taking decent snapshots in bright lighting conditions, quality drops off noticeably between ISO 200 and ISO 400 with increased noise and softness. That's not great because even at ISO 80 the photos are soft. The noise reduction causes smeared details, and this smearing only gets worse at higher ISOs, making it a poor choice for low-light photos.
In Auto mode there's a Fixed Auto ISO option, letting you limit the camera to using a range between ISO 80-400 or ISO 80-800. I recommend using the 80-400 range whenever you're shooting in a mixed lighting environment and don't feel like switching ISO settings. The camera also seems to have problems focusing, causing me to refocus again and again before shooting.