air vs electric lockers

i want to know what you think of these types of lockers for a daily driver and pros and cons  

Pick your poison, either will work well on a DD.

The only downside I can think of is that with an air locker you will have an additional part that can fail, the air pump. But besides that they are pretty much the same.  
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There's a third option also, cable operated.

I do not believe the Auburn Ected electric locker is up to the same strengths as an OX, ARB, or Eaton E-Locker.

The E-locker is newer and has not been tested in the real world as much as the OX or the ARB. But I do not believe there are any suspicions as to its strength.

You didn't mention your axle, but it might come down to what's available for your particular axle. ARB probably has the most applications covered, followed by OX and then a distant third would be the E-locker.

The OX locker, which has always used a very heavy-duty aircraft cable for actuation, also has an electric and air operated option. Both the air and electric options are external, and I think that could be a good thing.

The air cylinder used by OX is very simple. It's just a piston that drives the same mechanism as the cable. It's extremely simple in its design. But, you need a source of air. The electric option uses an oem electric servo from an automatic transmission. Again very very simple, is a proven component in the automotive industry and can be replaced from the outside. All of the OX options can be overridden using a simple bolt. Nice to have out on the trail if you need your locker to get out and the activation system malfunctions.

There are many people that have problems with their ARB. And it's not ARB's fault usually. Some ARB's do develop internal air leaks, but most problems are air line malfunctions. And that is usually dependant on how well and how durable the installation was.

Another thing that happens to ARB's, is they slip in and out of locked position when used in some axles. This is do to some flex in the axle housing center section that cause the ARB to loose its air seal. You'll notice this on a rig as it's powering up a good climb. You'll notice some wheel spin on only one wheel. Often a thick, durable cover, like the one ARB sells, will stiffen the housing enough to alleviate the problem.