I put Ubuntu Studio on my old laptop. The battery is shot, so I keep it plugged in and use it like a desktop, extending the display to my TV.
It seems there is not an up to date binary package version of LMMS provided, and I don't feel like building from source. (I think it's version 1.1?)
I prefer composing in LMMS on my Windows computer, which has LMMS 1.2, which has more functionality and looks more polished. Sometimes I'll use LMMS on the Linux machine for simple things, but I have trouble getting my MIDI controller to work with it. It's almost always plug-and-play when I'm running Windows.
However, I prefer Ardour for mixing. I have to admit that there are some things the manual has not helped me with, but learning the keyboard shortcuts has made the interface less intimidating for me. I actually made a donation so I could download Ardour for Windows, but I prefer Ardour on Linux because of the Calf plugins. The versions that have been ported to LMMS on Windows just give you the knobs, no visual feedback.
In a similar vein, the meters in the LMMS mixer show green, yellow and red. There's no numbered scale.