http://www.venicewiki.org

[fossilfly]

I found this wiki (http://www.venicewiki.org) for Venice, its a very well produced website, with topical information on Venice, that anyone can edit or add to. Its a good jumping off point before a trip as you may find something not mentioned in the guidebooks. Heres the page for Murano.

http://www.venicewiki.org/wiki/Murano