There are many types of talking software from PC to voice over and Snow Leopard on Mac, but the one I prefer is JAWS talking software, though Snow Leopard on Mac is coming in close.
I have used JAWS (by Freedom Scientific) since the late 1990's. Several things I appreciate greatly about the company is that they are constantly working to update their product so it is always compatible with other new products. This causes great chagrin to many as a new license runs about $1000. I highly recommend getting the SMA (software maintenance agreement), which is a fraction of the cost and can keep your software up to date far less expensively. You really need upgrades to keep up with the constantly changing software products you want on your machine and Internet.
Another huge feature of this company is the support. If you need help loading this product or it has developed a hiccup–unexpected problems while using–they will help you resolve the problem.
However, the biggest feature is the ability to go anywhere and do anything. Truly, I can go anywhere on this machine and access anything I need. They are also constantly finding more ways to access those nasty Internet sites, where web designers have no idea how to use accessibility features…well JAWS is still inaccessible there too, but the additional commands they come up with make navigating the Internet a great experience.
For the person who wants to try before they buy, you can go to this link JAWS and download a free 40-minute version for yourself right now. When you run out of time, turn off your computer and every time you turn it back on, you get 40 more minutes. Make sure you learn some of the basic commands to truly give this a go. There are several lessons in this blog to help you on your way. Even if you have an older version than JAWS12, update an additional copy anyway to try the differences. You never know, you might have an upgrade you did not even know about, When you install, if you do, JAWS will just take over the old JAWS and do the upgrade for you.
Lessons that will help you