Currently using a AMD cpu/motherboard but am looking to upgrade to an i5 4690 but was wondering what the best Motherboard i can buy under £100 to know what size i have this is the current board http://www.amazon.co.uk/M5A97-R2-0-Motherboard-PCI-Express-Flashback-x/dp/B008V9959O/ref=sr_1_15?ie=UTF8&qid=1431624385&sr=8-15&keywords=asus+motherboard and my current case http://www.amazon.co.uk/gp/product/B00I6BJATW?psc=1&redirect=true&ref_=oh_aui_detailpage_o08_s00