Hey Alain, I have an Axeman 3 tier w/ a kn6500 on bottom, Solton X1 middle and a Korg PA80 on top. I also have a Ultimate Deltex 2 tier w/ a psr740 and a psr2000. Either one is easy to play, except I have to stand for the Korg PA80. Both I bought for less than a hundred.