i dont think that is it to be honest.

The first brushless system i had was a hacker c408s and a master car sport controller and i always thought it was rather lacking in torque off the line and all round performance.
A while later someone was selling a hacker maser b car competition controller with the aluminium housing and i won that auction and when i wired it up to my hacker c40 i was blown away by the difference in performance so much more power.
I expected this as i always knew how important the controller is in a brushless system with regards to the performance.

I then picked up a mtroniks sport on ebay and that had a software issue as it was a very old software version sent it in to mtroniks as they requested and the sport with the updated software is also blindingly fast.

I have a hacker sport sitting in my tool box and i think thats where its gona stay.

The mtroniks genesis sport is a good value controller and runs my c408s with ease and will therefore very likely work well with your lehner basic 5300.

personally from now on the only controllers i would get would be either quark or mtroniks but most likely mtroniks as its so easy to sends things in for updates etc when your in the same country.