You forgot one medal. "Rub and Scrub" (rub a friendly tank while he's aiming) ..and possibly "Master Rubber" (rub a friendly tank so he misses 3...
Also a premium tank with a six man crew is good for crew training.
Karl was more fun :p
Me too :p But I won't say no to a free prem tank.
Fortunately a lot less work than the medium mission ^^