hi w00t..i found a link to the wap version of facebook that is used on nokia e series mobiles like e71 etc..its very light and loads very fast..have a look, mayb u will get some ideas that might help in enhancing the design!

http://m.facebook.com/home.php?re900beb8&refid=7

i think ur apps great,hope to see it do all one day!! cheers