Firstly whatever happens do not buy the iphone . Apples OS cant beat Nokia Symbians S60.
Nokia E71 is your best choice. There tons of applications for it. If you want twitter, Then download gravity S60v3
http://mobileways.de/products/gravity/gravity/
take a look how it is set up:
http://www.e71fanatics.com/2009/04/twitter-on- e71-how-can-i-tweet-from-my.html
Read the review of the beautiful E71:
http://www.boygeniusreport.com/2008/05/25/noki a-e71-review/
if you need anymore assistance, please feel free. But remember whatever happens do not give up the E71. It was voted the best smartphone of 2008.
dabaadsha