Here's a list of the latest, courtesy of here. This is the raw data of history, as it happens. You know what to do:

http://twitter.com/azarnoush
http://twitter.com/jadi
http://twitter.com/tehranbureau
http://twitter.com/hamednz
http://twitter.com/Shahrzadmo
http://twitter.com/knv

http://twitter.com/mousavi1388

http://twitter.com/sasan_j

http://twitter.com/smileofcrash
http://twitter.com/alirezasha
http://twitter.com/IranElection09

http://twitter.com/Change_for_Iran

http://twitter.com/IranRiggedElect

http://twitter.com/madyar
http://twitter.com/TehranBureau

http://twitter.com/iran09

http://twitter.com/y_shar
http://twitter.com/Change_for_Iran
http://twitter.com/StopAhmadi
http://twitter.com/smileofcrash
http://twitter.com/Mynumberone1988
http://twitter.com/iranbaan

Users that have not twittered for +1 hour:

http://twitter.com/mohamadreza (Have protected updates)
http://twitter.com/parastoo
http://twitter.com/bahadorn
http://twitter.com/Bahram81
http://twitter.com/parhamdoustda
http://twitter.com/2hamed
http://twitter.com/IranUltimatum

http://twitter.com/tehranelection
http://twitter.com/TwitPersia