Re: i have ~200 what should i upgrade
I suggest you wait until you have 400, then get a new mobo+processor; you already have hard drives, RAM, GPU, etc. so that will net you a pretty good bundle depending on how much of it you spend. Something like an E8400 or Q9550, and an SLI-capable motherboard.
You might want to invest in a new PSU too (as you mentioned), since PSU+case bundles tend to come with aweful PSUs, both to handle future upgrades and to reduce the risk of it dying and taking other parts with it.
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