@magnet I mainly use myfone to surf and D/L.and i hav D/L sessions of bout 3-5hrs.Deres only a small amout of heat buildup.Its negligible.Dont buy the Nokia 6280,it has lots of probs,jst visit the link to 2 see the probs:
http://en.wikipedia.org/wiki/Nokia_6280#Faults
@pathiks Airtel Postpaid has unlimited data transfer schemes cuz i'musing dat scheme myself.