I'm confused, how do you have a seio controller on a wavemaker??? A seio power head you mean?? They clearly state to only use them on their brand of controller because they don't turn off and on, they ramp up and down so putting them on a different brand controller was probably a really bad idea. In fact I forgot to mention that- there's no on/off like many wavemakers.. they ramp up and down but not off and on- much better that way. Seios also have the wide disspearsed stream vs. the stong narrow stream of the cheaper types.. as far as what the more expensive heads have... IMO it's a brand name thing, they cost more, they are nice, but worth that much more than this seio set up?? that I don't know about. Some of the higher shelf models come with magnents to attatch the ph's which is a really nice feature, unless you plan to hide your ph's in the LR anyways - in which case you're not going to be moving them around much. As far as the settings in the power failure... guess I'll have to check that, our power just came back on...... I'll check. If I have to "re-set" it, it's still no big deal, I have to press two buttons, takes about five seconds and we have power outs here maybe five times a year for a couple of minutes...