I have played my Fluke intensively ever since I bought it in December 2008. My Fluke has always been my all-weather ukulele as its plastic structure made it the ideal uke to take along whenever I went for a walk in my beloved hills of Burgundy.
My Fluke did however start to show some signs of wear: some of the plastic frets had become dented and playing a Dm for example sounded really bad.
Here is what my fretboard looked like before I replaced it. You can clearly see the dents:
I couldn’t keep my Fluke as it was as its altered sound really bugged me. Some chords gave a very snappy sound and I couldn’t be blamed for it (honest, I was not trying to play barre chords or an E chord).