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I'll reply in Estonian, after the fact. :)
1. I would keep the percentages at 10 or add +1% per level.
2. Yes, to avoid the hassle of remembering combinations of rarely encountered classes (even Cobra doesn't remember them all:smile01:), it's better to replace classes with skill adjustments.
3. For new Diplomacy with Ballistics and the old WoG Training (unless you want to reduce the percentages slightly, but not so drastically: like 25, 50, 75%).
4. Logistics +, armor - (or play around with other percentages: 3-4 somewhere per level).
5. +.
6. +.
7. 1 stack of level 1 and 2 "native" stacks with adjustments to the number of units in the stack (this needs to be tested and calculated...).
8. Doesn't matter, but it's better to leave it as it was in TE and WoG (newbies like me enjoy freebies:p).
9. +.
10. Leave it as it was, in Water.
11. +.