additionally, Booxtor's Onyx Model's will get the very interesting acapela TTS much more versatile than the ivona TTS, even dialects, accents and mood's - check out the Will-Character of a US-Voice section - Will as happy, sad, upclose, faraway, as a bad guy, and as an old man also funny Will as little creature, by the way check out the cool US-voice 'Micah.
as well as english with different accents like english with an arabic accent, with an indian or australian accent for example.
see:
http://www.acapela-group.com/text-to...tive-demo.html