Yup! its always to gud to know more people and different language. But to me, TAMIL is the Best Ever Easiest Language since the orgin of life form ;-). Its been told by many native speakers of other language tat, TAMIL is easy to learn and write (y not, i strongly believe only in tamil we write exactly the way we produce the accent)
Vaaazhga Tamzhil
BhashaIndia.com would give more information on language computing and also on similar utilities .
More work is on Language computing for Tamil.
But the transliteration may help a little bit on knowing the language, this could not help better to learn a language.