You'd do better to say what you need in your subject and stop using the Caps Lock constantly. If you make it easier for us, we're more likely to help. As far as giving you suggestions, we'll need you to answer some questions in order to give you a well-informed recommendation.
Answer the questions here that apply to your needs: http://www.tomshardware.com/forum/261222-31-build-advice
Here's a decent place to (very generally) compare cards: http://www.tomshardware.com/reviews/gaming-graphics-card-review,3107-7.html
I'm really not a fan of the GTX 550 Ti. If you can find a 256-bit GTX 460, that would do better. Or, especially, a 6850 at that price.
This is another good place to compare graphics cards: http://www.anandtech.com/bench/GPU12/372