Forum
Smartphones, handheld and pda discussions
http://forum.brighthand.com
Brighthand
Brighthand.com offers smartphone, handheld computer, and cell phone reviews and news. our active forum community is a great source of information on smartphones and related devices.
http://www.brighthand.com
Pinstack
Smartphone news, smartphone reviews, comparisons, apps store with free app downloads. android, blackberry, iphone, htc and other top smartphones.
http://pinstack.com
Howardforums
Discuss your favorite mobile phone carriers and cell phone manufacturers
http://www.howardforums.com/forumdisplay.php/176-Smartphone-OS-Forums
Htcforums
Htcforums
http://www.htcforums.com
MoDaCo
MoDaCo
http://smartphone.modaco.com/
Mobilejoe
Mobilejoe.de - joe's windows mobile community für windows smartphones
http://www.mobilejoe.de/
Smartphoneforums
Pdaphonehome is a community site for all pdaphone and smartphone owners.
http://www.smartphoneforums.com
Wirelessaddict
Wirelessaddict.net
http://forum.wirelessaddict.net/