Photo.net
A meeting place for all kinds of photographers. Many of them are very professional.
Features include photography tutorials, discussion forums, critique forums and profiles for every memeber.
You can learn and improve your skills in it.
Dpreview
Contains update reviews and very active forums. If you have any problem,
post it on the forum and somebody would answer you within a day.
DpFWIW
A LOT of information on Olympus camera accessories e.g. filters, flash, rubber hood, auxiliary lenses...
The Filter Connection
A filter retailer. You can find information and prices on almost all filters in the market.
