Well, I've just finished the Austria->HRE game I posted early in this thread, and I'm pretty pleased with the results.
Note that the colour has been changed in the world maps; normal HRE green is really hard to see.
The Empire was Habsburg until George I, my 8-8-8, 57-year monarch, and was then taken over by the Hanoverians, becoming a Constitutional Monarchy about the same time.
Spain and Britain both colonised extensively; eastern Russia and much of South America and the Caribbean were liberated in a series of colonial wars. America is now owned entirely by the HRE, and all American provinces have Austrian culture except for Nazca, which the Brits got to.
America is dominated by two centres of trade; inland Mohawk, nothing special, and New Vienna, which is quite impressive by my standards:
The most interesting thing this game was the Reformation. In the early days, the HRE was quite tolerant, and the heathen tolerance NI meant Protestantism and Reformism spread through the empire.
When the Hanoverians took over, however, things changed. The NI was dropped and Europe was slowly reclaimed from the heretics. The second Hanoverian king took it to the next level, though. In his 49-year reign, he wiped out the Protestant faith entirely, crushed and force-converted the Reformed nations of Great Britain and Sweden and Finland, and wiped out Reformism everywhere- except for here:
This Finnish province only converted to Reformed in 1787, two years before Finland was force-converted back to Catholicism. The other five Finnish provinces had all been converted to Catholicism from Orthodox and Reformed since then, and I was hoping this one would. As it is, it's the last outpost of the Reformation, and there was an active missionary there at game end.
The entire HRE was Catholic by game end, except for the Sunnis in Turkey, Arabia, and Egypt. All non-Catholic provinces of the Empire can be seen here:
All Turkish and Holy Land Islamic provinces have missionaries working in them.
Other countries: Aragon colonised Africa, then I came in and took a lot of Aragon proper, so they moved their capital to Africa in the late 1600s.
Iberia was a mess; France retreated there after I pushed them out of France, and for a long time it was split between Aragon, France, Granada, Castille, and me. Castille reasserted itself though, and tried to recover a colonial empire in the last few years.
All else normal, except for Sunni Persia and Shiite Gondwana...
All in all, an awesome game. Really liking HTTT, although I'll admit I struggled with infamy for a while, though I only went over once, and then only for three months.