Yes, it's easy to install and run, although I've heard a few complaints from users lately that it doesn't work for them anymore. You might want to chat with the creator about it before paying for it, to be sure.
I have it and i havn't had any troubles. Personally i relly on it because iremebering to do them every night was not the most reliable menthod. I like it, as for value, to each his own, i won it in a raffle but i might have gotten it anyway.
Works well for me, I have had it since October and got a longprobe with it. The creator of the gadget updates it every so often and when there is need of support he supplies it. Just make sure your computer can use Yahoo Widget, its a free program. So yeah speak to him first, but it is worth it if you are forgettful on voting which I am