Tripod: absolutely - positively - a must have for watch photos. Taking pictures close up without bright light or just window light, like me, means slow shutter speeds and if the camera is not on a tripod it is impossible to get a good shot.
A few links to spend some time on:
Tech courner - Steve's Digicams
Lots of camera reviews
Understanding Series
A Photo Forum
Dedicated to Photoshop Enthusiasts
How to get Great colors
How to do anything Photographic
A way to increase depth of field
Increasing dynamic range of photos
Useful photo links
Usil