Zabaware now offers Ultra Hal Text-to-Speech Reader with AT&T Natural Voices™.  AT&T Natural Voices™ is the leading software solution for generating extremely natural-sounding voices.  Eleven high quality English speaking voices are available to choose from. They are extremely natural sounding 16khz US English voices. They are almost indistinguishable from a real human speaker. Check it out for yourself:

Voices are available for only $24.95 each. We are also having a special on our 2 most popular voices, Mike & Crystal. Get both voices bundled together for only $29.95, saving $19.95. All AT&T voices included will work with any SAPI 5 compliant application including Zabawares Ultra Hal Assistant 6.1, the included Ultra Hal Text-to-Speech Reader, TTS functions built into Windows, and many TTS programs from other companies.

The software requires about 600mb of disk space per voice. It requires at least a 600mhz computer with 128mb RAM. Due to the size of the software, the product is currently only available on CDROM by postal mail.