I have a HP Pavilion p7-1254 Desktop PC and i was wondering what the best gpu and power supply for the money i could get are?? I'd appreciate any info you guys/girls have for me

That PC has a 2.2 Ghz Quad Core AMD processor which is a cut down Phenom II. Now, unless you can overclock it, I would recommend a more balanced upgrade than simply buying a fast videocard.

How much money are you willing to spend upgrading this PC, and what country do you live in? (For currency conversion purposes.)

edit: oh, wait, you live in Georgia. That's okay.

http://www.bestbuy.com/site/NVIDIA+-+GeF...jDtR0yY7Rx

This is what i was looking at, i didn't want to spend over 200 for the gpu, but if i need to I am open to any suggestions you have.

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I live in the USA btw.

How do you overclock it? And if i don't need a new gpu, then what would you suggest getting?
Most of the games I have played so far are great. I thought that it was my integrated graphics that slowed down games like shadow of the colossus and rogue galaxy.

upgrading only the GPU is still slow
GPU performance is like-kinda idling while CPU is stressing out kinda always at 100% CPU usage.
best to change your CPU too Phenom class for AMD @3.0Ghz~ or if you want intel thats is not expensive Sandy Bridge Pentiums(e.g.G620) is the only way.

The GTX550 is nowhere near as good as the HD6870, which you can also get for under $200. I found 4 models on that website.

I linked, but then stuff broke...

@ ambient-Not sure if it supports overclocking, how do I check?
And your link did not work, I think its a global error.
@tallbender-could you throw me a link to the phenoms or intels?

Well, when you boot your PC, hold down the DELETE key to access the bios. Look for some sort of clockspeed/voltage control related stuff. Unfortunately, some OEM PCs have overclocking removed to prevent ignorant users accidentally destroying their PC.

If you can't overclock, upgrading to a good Phenom remains a possibly cheap option.

Okay will try that, is there any particular setting I should use?

Just see if the bios supports clock speed. If you can alter the multiplier, try changing it so the clock speed goes from 2200 to 2500, then save and reboot.