I am getting a Gigabyte GA-Z97X-GAMING 7 and upgrading to it for my h81m-p33. It doesnt overclock as much as I would like to. I am also getting a 1080p monitor, a r9 285 instead of my gts 450, and a new nzxt s340 case. Do I need to reinstall windows even though I am keeping my i5 4690k?