@Ehpic:
I like to get up to 5 transports set up in 112 or 113 on turn 2 and then build alot of fast movers (tanks/bombers) The reason I like 5 transports is you can build 5inf/art in germany and land those in either lenningrad OR the UK(london or scotland) from 113. that threat coupled with bomber buys keeps the UK spending money on london instead of africa. If italy is lucky enough to have a MED fleet that can spell disaster for allies, and could allow you to mop up northern africa with italy. my typical cookie cutter build (it varies but this is generally what i do as germany)
G1: carrier/sub/destoyer, strafe yugoslavia and position forces in poland & Romania. Try to retreat battleship in 110 to 112 if possible, hoping UK scrambles into 110 and you can pick off a plane or two lose a plane or two if you have to in order to retreat the battleship.
G2: build 4 transports into 113 5 inf 5 art on berlin, 1 tank 1 mech on west germany. total buy is 70IPC which you should have.
reposition 112 fleet to 113 and clear out any remaining UK ships with planes. DOW on Russia, push in baltic states and clear their navy out of 114 or 115(wherever he has it) set up italy can openers.
G3 if the UK called your bluff and didnt put any money into london well… check the odds you may actually be in a position to do some damage and sack it by G4 or 5, i’ve had success with landing 10 units in scotland G3 which the UK can’t afford to deal with, plus put 20 damage on their factory. This will allow you to hit london with 20 troops and all your planes on G4, i’ve only had the opportunity to do that once and it worked… weak UK player to be honest. Otherwise land your navy into 115. you’ll now be able to build 5 inf 5 art every turn on Berlin and shuck them into lenningrad, while dropping tanks on lennigrad factory or bombers back in west germany to throw at any fledgling UK fleets. Push forward in the south and take ukraine factory as fast as possible.
from here on out i mix in a few bombers here and there and just steamroll into moscow if the UK doesn’t land planes to defend, which works against weaker allied players. Otherwise I just hold the line at two russian factories take as much russian money as possible(caucus area) while drawing allied money away from japan. Every game i’ve played lately italy always gets creamed with taranto raid and crumbles in africa/med by turn 4 or so… i typically just make fast movers in northern italy the first few turns to send to the russian fight.
Ferrying troops using transports in the Baltic is nice (because of the optionality you mention), but not an end goal in itself. Slow movers from Germany can reach Moscow in 5 turns / defensive position near Moscow in 4 turns.
The transports get you there in 4 turns / 3 turns instead.
Fast movers get to Moscow in 3 turns and to a defensive position near Moscow in only 2 turns.
I find that getting a stack next to Moscow (defensively strong enough), forcing the Soviets to turtle and taking over the South with the fast movers to be hard to counter.
In the end, it’s a matter forcing Soviets to retreat from Bryansk as soon as possible with either the ability to destroy it (the hardest way), or ability to force them to fall back by walking in into Smolensk (often easiest since Soviets are weaker on offense and help of Italian defence) or having ability to can open with Italy and strike with fast movers.