Prelude has an OTS (it's the button labeled ONE TOUCH).

Just the one per style, but still pretty good.

It also has numerical entry for patches rather than just scrolling only. Plus, the patch calls up its' associated MFX...

It also will do numerical callup of Performances, or a list you can scroll through that doesn't change what you are on until you hit 'enter', so you can cue up changes. All in all, for a cheapy, this one has got a lot of things right...