What should I upgrade in my pc

[iamalittlepig]

Hi I'm trying to decide what I should upgrade in my pc. I don't really have any set budget or plan, and I'm not building a whole new system. I currently have an i7 950 some gigabyte ud6 or something like that can't remember 12 gigs tri channel kingston hyperX 3 corsair 120g ssd's can't remember the model but they are sata 3 and in raid 0. Then a 5870 from sapphire, I used to have 2 until about year ago, then a 1000w power supply from silver stone can't remember the model but I remember asking about a good power supply at the time on another forum and they said it was like tier 1 or 2. The case I swapped recently with the phantek etho pro. Would give a better description if I could, some of the info I had to get from cpu-z

 

[RazerZ]

Without question, your graphics card (assuming this is for gaming). What's your budget for the upgrade?