The Zero Delay will be fine (but see below) but another one to consider is the Xin No.
The Xin Mo comes in a two-player version, and is around the same price as two Zero Delays.
There doesn't seem to be much to choose from between them, but I ended up getting the Xin Mo.
I'm still finishing up my build, so I haven't tried it yet.
With any inexpensive Chinese board, I recommend that you look over the board carefully with a magnifying glass before you plug it in, to check for sloppy solder work. I have read that the QC can be spotty.
Having said that, the soldering on my Xin Mo appears to be perfect.