I faced this choice when I bought a new house and opted for PLC. As much as I like wired ethernet, I'm glad I went with PLC. It was cheaper in the long run and more flexible because I can use any power outlet in a room without having to grab an extra long cable. Wireless has improved so much, I only use PLC for legacy devices like network printers or old laptops. I also inherited a mess of telephone and security cables with the house and the basement is an incomprehensible tangle. Be nice to future owners and avoid adding cables whenever possible.