Which amp project for me?

I am looking for my next amp project having just finished my B1Korg
Currently have an F5 and/or a couple of chip amps running my open baffle speakers that are around 95db efficient. Music tastes run from classic rock to blues. Amp only drives above say 100hz as the bass drivers have their own power.
Would like to experience a "tube" like sound and I am considering the Aelph J or the MX2.
Any opinions on the differences between the two or which amp will get me the sound I'm looking for ?