The Tele in my avatar is a 10 year old MII Squier Standard. I first upgraded the nut to bone as soon as I got it. I upgraded the saddles about 5 years later and the pickups last year. The tuners still work fine, so I left them alone.....for now. I liked the guitar when I bought it, but now I love it. So, my response is: "Yes, it's worth it if it makes you happy !"