Can't make my GeForce GTX properly work and I'm going crazy

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http://ubuntuforums.org – With the default open source driver it's slow as hell. So I tried the latest one and installed according to the steps from http://news.softpedia.com/news/How-t...0-399182.shtml it was working fast, but i had to restart few times until i get something different from black screen upon booting and also recovering from suspend was also going to the black screen. So I purged it and installed the nvidia-current from the app centre, again it has problems booting and the graphics are moved to the left couple inches. So what should I install to have my nvidia work properly? :( it's GeForce GTX 460 v. (Hardware)