Setting Testing Servers and Preparing New Patch

ARGO: Ok, I am ok and understand completely whats gonna happen but I have a few questions that I think were not asked about "After the patch".
1. Will graphical erors be fixed "Tanks getting stuck in buildings"?
2. Will certain tanks be nerfed and or souped up?
3. Is the American tank tree coming with the patch too?
4. Will more content be added to the maps "more destructable buildings"?
5. Will the German, Russian, American, English, Japanese tanks be eventually be seperated in battles to respective sides or is it still going to be a mix? "Just for the record, I like it the way it is but I know they may have to choose sides".
Now one more thing "Anyone out there can answer this part".
I have about:
280,000 "that will be converted to free exp"
100,000credits
5000 gold "after wipe" = 2,000,000 credits
one IS tank, One PZ3, One Leichtraktor
I am no mathmatician but my guess is that I should be able to go right back up the tree to where I was fairly easy but do you think I will be able to get where I was or better?