First of all beta's suck. They are test products and are full problems. that is why they are beta. I don't use then especially then I can have the final version.
I don't have ads with my browser. I don't like freeware remember. I'm not cheap. I'll pay for something good.
If it is free, No matter how you classify it, there is aways a price to pay. In the case of firefox, it is that you give up your security, wheather you want to believe it or not. Mozilla made it like that on purpose.
As far as the unstable thing goes, It doesn't matter if each thing you add is stable. A bunch of things put together no matter how stable they are, can become unstable. Stability varies from computer to computer on IBM and IBM compatibales. This if because IBM stoled all their parts for their computer off other computers. They couldn't put a patent them. One thing that they came up with on their own, so they patent that part of their computer and all compatible had to patch around it. It is these patches that makes things unstable. The more complex you try to make a program the more unstable they become.
Themes, plugins, patched, and any add-on of any type ypu add to a program makes it bigger and more complex. The bigger and more complex it be comes, the more chances you have of it failing.



. Take Microsoft for an example, sure there are bugs, but its fun finding those bugs, and plus you get free items :mrgreen: 

ops:. Fx is the correct usage, I made a