I bought the generic copy of the Lyman ultrasonic cleaner below for $83.99 last year on Amazon. Shop around I have seen it as low as $50.00 US and It works very well. Just remember the hotter the water the better they clean, and it may take a few cycles for the water to reach the proper temp. I fill it with hot tap water so it reaches the proper temp faster and run it for four 8 minute cycles. I use the same dish soap and Lemi-Shine as I do in my wet tumbler. It does not have the same bling as wet tumbling but you do not get any case mouth peening.
iSonic Professional Grade Ultrasonic Cleaner P4820-WPB with Heater and Digital Timer, Plastic Basket
Digitial timer: 180, 280, 380, 480 and 90 seconds.
Large tank size: 9.6"x5.9"x3". Tank capacity 2.6 Qt / 2.5 L.
Power: 110V 160W including the heater. (220V available with extra charge) Ultrasonic frequency: 35,000 Hz.
Come with a full size plastic basket.
Warning: Do not use liquid bleach in the s.s. tank and corrosive solvents.