MacSpeech (http://www.macspeech.com) has released MacSpeech Dictate
1.5.8, an upgrade to the speech recognition solution for the Mac. It
addresses an issue with audio input that only impacts the new iMacs
with Core i5 and i7 quad-core processors.
MacSpeech Dictate requires Intel-based Macintosh hardware and Mac OS
X 10.5.6 or higher. New MacSpeech Dictate solutions, with a choice of
headsets, are available starting at US$199. Registered customers of
MacSpeech Dictate are eligible to purchase MacSpeech Dictate 1.5.8 at
a special upgrade price of $54.95.