ive had a go of the alesis fx and it wasnt too bad, seemed to be good quality effects but like mindgame says there a it full on a lot of the time and you have to be willing to move younr hand all over the place when using it, ive heard its in a few people's production set ups though for mangling things, the red one is the alesis air synth, i dont see how it works without being able to change the note of it though, and it seems to lack any kind of midi control so it must just create strange sounds, if it you were able to stick a midi controller into it or sequencer then it'd be intersting but it seems you cant