CoolSpeech

CoolSpeech is the text-to-speech player for Windows. It empowers you to experience the wonderful text-to-speech technologies in many ways:

Listen to online news from any URL you specify. Read your text/rich-text files and HTML files aloud. Convert your text into spoken WAV files easily. Listen to your new messages from your email accounts. Listen to every word or sentence you've just typed. Listen to the text copied to the Clipboard immediately. Schedule files, URLs and emails to be read aloud. Tell the time and the date in different styles. Support almost all computer voices nowadays.

Limitations:

14-day trial