i need a new PSU that is compatible with my dell inspirion 560 it has a 300 in it right now but i wanna get a 580 watt or one strong enough to feed a good video card to help run games like mass effect 2 or even skyrim on higher settings any reccomendations on psu's or graphics cards would be appreciated

You really should have just asked this question in your original thread:
http://www.gamesas.com/index.php?/topic/1163302-set-up/

...especially since the specs of the rest of your system is in that one, which is critical to know if you're looking for PC upgrades.