www.eboogie.com --links to popular wap sites
www.mlb.com ----major league baseball (there are also 30 team wap sites)
mobile.news.com ----CNet mobile news
text.dslreports.com/ms ---mobile speed test (for your connection speed)
pda.edmunds.com ----Edmunds car pricing, etc. for WAP
pda.mobileweb.com ---another PDA WAP portal
wapswapcom --- mentioned elsewhere here---list of many WAP sites
wap.kodakmobile.com ---- Kodak EasyShare Gallery for Wap (you have to join)
PDAportal.com --- yet another list of WAP sites
www.accuweather.com/pda ---- WAP version of Accuweather

I've only had my Treo a couple months and am still building the list.