很多
http://www.treo8.com/bbs/search.php?searchid=2633&orderby=lastpost&ascdesc=desc&searchsubmit=yes
http://www.treo8.com/bbs/viewthread.php?tid=112191&highlight=500v
http://www.treo8.com/bbs/viewthread.php?tid=96139&highlight=500v
也可以到www.pdafuns.com里面搜索
bbs.maxpda.com智能手机论坛
有个专门是做500V的论坛,不过暂时内容就少些,你可以上去看看:www.palm99.com