Kasco's good I use a 1400JFL. If you decide on a Kasco and want aeration as well as a fountain display, you might consider either the 2400VFX 1/2hp, 3400VFX, 3/4hp, or 4400VFX 1hp. These will produce a "V" pattern. Just plug it in. Another company I have worked with and I know well is Aqua Control, They feature fountains from 1/2 hp to 40 hp for bigger lakes. They have what is called the Evolution Series, which might be the best bet for your situation. This features a 1/2 hp floating fountain, complete with everything needed. This also uses plug in and go technology. Nozzles and lights sold seperatly. Once you exceed that 1 hp mark consider a licensed electrician. Those fountains dealing with a 230+V power requirement, ampage may very from unit to unit. But any electricity is dangerous, and for your pond (1/3 acre) plug in units are sufficient. But if you want a 1/2 hp fountain go with Aqua Control. If you want 3/4 or 1 hp choose Kasco. Those units just plug in W/O electrician, provided there is a 120 volt, GFCI rated receptical neer by.
http://www.aquacontrol.com/products/evolution_series/http://kascomarine.com/products/vfx_series.htmlPS; One thing you might like about the Aqua Control is you can convert it from an aerating fountain to a non decorative surface aerator just by removing the slinger disk over the propeller.
