Which tier VI should I take the Arnie discount on?

Draschel: P43 Bis is an extremely under rated tier VI.It has excellent 240 alpha, but unlike VK3001P or Skoda T40 has 100 more DPM with it. Comparing the DPM with it and something like 40TP, is like night and day. And with equipment 2.0 and field mods, things like medium tank horsepower boost and turbocharger make P43 Bis less clunky than how it came out years back. P43 Bis also has a tough armor profile similar to Pudel and T3485M, making it very versatile. I just wish it had 370m VR, and it would be superb. Watch out for the slow shell velocity, even firing premium APCR the shells are slow @ 750m/s.  But you can't go wrong with Skoda T25. Skoda T25 and A43 are the best tech tree tier VI mediums.