yes I have this problem all the time. That is why I usually it taking to something like word, and then cut and paste it to the browser.
However, in word 2007 there seems to be a problem. Normally if there was a . and you did some editing and came back to start dictating the game, word would automatically recognize what you were steering and not do something like this;
This is an example.what are you doing
There seems to be some other glitches.
It has just occurred to me it may be worth checking out here
http://www.knowbrainer.com/ .
They do have some forums there.