Following are a list of resources that I have found useful for silver info:
Ted Butler- the best precious metals commentary that I have found. He does talk about both gold and silver, but has a keen awareness of the uniqueness of the silver market
SilverSeek.com has good commentary about the silver market. The articles that Ted Butler makes public are often put on this site.
Kitco is a good place to go for both live and historical gold and silver prices. Following is a link to the Live Silver Price.
Another site that has information about silver and gold.
The Silver Institute publishes much info about silver.
The latest Silver Institute annual survey is at:
The following is a great graphic/visualization of different markets- silver is the smallest listed: