Aw, heck, I'm a sucker just for the bubbles in the blowoff growler. Although, in all fairness, I haven't seen (or heard) a stirplate in person since a bio lab summer internship a decade ago.
In related news, you know you're a homebrewer when SWMBO can hear a mysterious but rhythmic sound in the night, and immediately and correctly guess "your beer is making noise again, can you do something about that?!" (word to the wise: one of those cloth-on-one-side-silicone-rubber-on-the-other hot pads between your growler of starsan and the compressor hump on your fermentation fridge works wonders).