These 2 java midlets work to read pop3 email on my BB 7520
mMail, go to
www.mmail.pl, 5 day trial, one time cost about $5
only supports pop3 accounts
Mobile Mail,
www.movamail.com, 60 day trial, costs $29.99/year
Mobile Mail supports pop3 and yahoo, hotmail, aol
On my blackberry 7520, the Mobile Mail app blanks out my screen all the time, just remember to hit the # key to bring up the menu or 7 to exit
I am using nextels native TCP. I am not going thru MDS