Gotta love those all metal Ketrons. I'm going on 14 years at least 5 jobs a week, 6 months a year outside...no problem with my MS-60 and expect the same ruggedness out of my SD-5. I bought a PSR 3000, was wary of the quality and didn't like the sound. Gave it to my granddaughter.

Hope they hold up for those who use them.

Good luck"!

R.