Sony Ericsson Xperia X10 :: Sms Multiple Contacts At Once

xperia x10, how can I easily view all contacts to send the same sms to with out typing in the first 2 letters of there name, just want a drop down list because sometimes I can't remeber everybodys name that I want to send the message to because sometimes its 30 people and that would be a slow way of doing typing the first 2 letters, is this at all possible, last phone had drop down box and you just scrolled through and ticked which ones