The Synology MR2200ac looks to be ideal for expanding the coverage of your wireless network. Unlike most other WiFi range extenders it uses Mesh Technology, which lets you keep the same network name. Is the higher price than a plain WiFi extender justified though?
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips