Dictater

• Replacement for OS X's built-in Speech services.
• Download App

Features

• Pause the audio
• Skip forward by sentences or paragraphs
• Replay sentences
• Progress Indicator
• Teleprompter Mode - Read along with audio

Usage

• Select text, right click, and choose Dictate!
• Dictate might be under Services, depending on how many services you already have installed

Scriptability

• If you're comfortable in the Terminal app, you can open Dictater with a command like this:

> /Applications/Dictater.app/Contents/MacOS/Dictater "Speak this text!"