Stability means, i shouldnt have to install OS again and again because of some error, as i am doing it with xp now like once in 3-4 days. I have a 2GB RAM dual core laptop and 256MB RAM. So config is not an issue.I need fast linux also. So which one guys?
You should know that unlike Windows, reformatting a Linux distro is never the idea. 95% of problems you get caught into on Linux mostly only need a command or two to fix them back up, and needs no reboot either.
So if that's your major concern, just forget about it when you use Linux, you will never format.
And about the distros, there are several because not many persons think alike, they all want different stuff, ranging from the way a distro manages its packages to what themes it provides. But essentially, after you get to know a couple of distros, they all are the same underneath the cosmetic layer of customization that's built into them.
I suggest you try out a minimum of 3 distros to help you find what suits you the best, afterall Freedom is all about choice isn't it?
Agreed, its confusing for the new to this world but its their fault looking for the "best" among the distros while there are none "best" but only variety of the same thing packed into different boxes. Much like Mangoes in India.
Do try 3 eventually. And do not waste time looking for the best, there is none best, think of it this way:
There's no best, there's only what you have right now and what you don't. So do start with what you have available with you right now and we can guide you in case you still feel that what you use has something amiss.
Personally, I 'started' with Fedora Core 3, but only 'started using' when I got my first Ubuntu 5.10 CD via ShipIt service of Ubuntu. I've been on Ubuntu since 5.10 to 7.10, yes two years of only Ubuntu with some F-Core 4, 5 and Simply-Mepis thrown in for trying's sake. But of course, this never means Ubuntu is the best, its just what I liked getting accustomed to.
Hope you read this post in the whole, might clear up your mind a bit.