Wirelessly posted (Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0) BlackBerry8700/4.1.0 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/102 UP.Link/6.3.0.0.0)
I am a corp. pilot. I use these sites very often.
Weather Underground (Mobile) (excelent site. You can look up most ecery airport and get weather, maps, etc.
FltPlan.com PDA
FltPlan.com PDA (from here you can do a lot of stuff. The page doesn't fir very well on the BB though.
I do not use wxsys. I did buy it, but don't use it. To me, it is not at all user friendly.