Don't know if this is exactly what you want but there are several Type and Speak programs listed here:
http://www.hj.com/fs_products/software.asp
JAWS® for Windows
The most popular screen reader worldwide, JAWS® for Windows works with your PC to provide access to today’s software applications and the Internet. With its internal software speech synthesizer and the computer’s sound card, information from the screen is read aloud, providing technology to access a wide variety of information, education and job related applications. JAWS also outputs to refreshable Braille displays, providing unmatched Braille support of any screen reader on the market. A training tutorial is included.
Free DEMO of JAWS for Windows 5.10 (34 MB)
Connect Outloud
Connect Outloud is designed for the beginning to experienced blind or low vision computer user to access the Internet through speech and Braille output.
This software is based on our popular JAWS® for Windows technology and offers additional access to the Windows XP operating system. Also, Connect Outloud version 2.0 has even more support for the Web, including support for Internet Explorer 5 and 6, and support for Adobe® Acrobat® Reader 5.0.
General features of Connect Outloud allow users to surf the Web, send and receive email and create documents in the easy to use Freedom Scientific word processor. It has no complicated configurations to learn or difficult menus to navigate. With the Tutor Mode, getting started is a snap. The Eloquence speech synthesizer for seven languages is included. Connect Outloud also supports most popular Braille displays and notetakers.
Free Demo of Connect Outloud 2.0 for 9x/Me/XP Home & NT4/W2K/XP Pro (15 MB)
Another program listed here on OV: Key 2 Speak