Board Thread:Challenge Threads/@comment-27048832-20180111182735/@comment-26829117-20180114112851

They all have subtle differences and the ABT tends to be the one I use but the Renault seems to be favoured by some. I've rarely seen the NextEV used but then I don't pay that much attention. It makes no difference strategically which one you upgrade as they all need to be upgraded at the moment.