W3670

Im in need of help. So I bought a W3670 xeon to replace my i7920, crossed my fingers and hoped all would go well. Made sure BIOS was the most recent (from 2010 lol) the works. So got it to boot and work fine, overclocked it to a stable 4.2ghz with ease, keeping de cpu volt just slightly above...

What should i upgrade with £100 i have got an amd a10 blk and a red devil rx 470. However im running without an ssd and im only using an asus a68 hm plus mobo. I was also wanting an aio cooler. Any suggestions