Grrr! I think I hate all those people who have not problems!!!
Since I am using distinct commands like Off and On instead of a power toggle, I grabbed the code from Remote-Central.com. I know the codes work since I can transmit them from a Windows program.
I have tried to learn codes, but they have not worked either. I think I will try to learn the codes under 8.10 and see what happens. When I was using a beta 7.10, I could easily turn off and on my TV. I also had success with 7.10 in my bedroom with my Samsung flat screen, but I used a template that came stock. Now that I think back, I believe I was able to learn remaining codes for my Samsung TV.
I have also tried all the Pronto coded in 8.10 templates. It has crossed my long time ago that Sony codes might just be different in some way, but I was able to originally control my TV so I am so confused.
I am giving it one more try going the the learning route. I'll post any success of failure.
Thanks for everyone's input/statement of success.