I can't help saying that if I can like mobilespeak for anything is the choice of voices.
We'll take Polish, since it actually has 1 extra synth.
So, we have 2 loquendo voices, one male and 1 female. they're just 8khz, but otherwise don't have any compression and are very easy to understand.
We also have 1 female acapela voice. this one sounds just like the pc version, 22khz, 1 6 bit. It, too, is easy to understand though has some weirdnesses and pronounciation difficulties.
And then we have one voice just called speak. It was the first ever polish software synthesizer and although released long ago for dos is still popular. It has been updated to work on pac mate, windows as sapi, and symbian. it's 16 khz, doesn't really sound human but has great speed.
with talks, if you have a symbian 9.2 or earlier phone you still can use the realspeak mobile voice. those are also 8/11khz, but they aren't compressed and easy to understand. If you're like me, however, and have symbian 9.3 or newer, you are forced to use vocalizer mobile, which I think really sucks. it sounds like it really has been compressed. sure, it may be about 500kb, but it sounds absolutely crap and I've been experiencing frequent clicks with certain words, and that doesn't really help matters...
I wish apple would have went with a different company for voices. Some companies, like humanware addopted vocalizer but are actually switching (they will allow users of the stream and trekker breeze to use acapela voices in their full quality). One thing I saw frequently with the reviews of that device as well as the plextalk was that the voice wasn't really pleezing to read with for long durations, and I can't help agreeing.
<Insert passage from "The Book Of Chrome" here>