CM2 - I don't have this, sounds like I better go looking on Ebay.
Those of you running or prepping CM1, please keep me posted here! I acquired CM1 a few weeks ago and I'm considering running it in 3.5e rules with PCs around 10th level. I've been running a 3.5e campaign since July, currently the PCs are only 2nd-3rd level, and my current campaign is planned to run to around 9th (using old Basic and Expert modules BTW, plus some C&C ones!), concluding with X5 Temple of Death. So CM1 is potentially an excellent follow-on and I've sketched in how it fits into my new campaign world.
I agree strongly about the Mystara 'excessively big numbers' problem. Thyatis for instance had an island with a couple hundred 36th level Magic-Users. Meanwhile a couple hundred miles from Thyatis city (pop 600,000) lies the unexplored wilderness of the Dymrak forest to the west, and the sparsely populated Alasiyan desert. I GM'd Mystara for a good few years to ca 1045 AC and it ended with a golden age ruled by a unified Empire of Thyatis-Alphatia; Thincol's daughter married to Eriadna's son. Now I'd much rather use CM1 in a different, more rugged and lower-powered setting, where there's no 1,000 36th level Magic-Users just over the horizon.
My ideas for using CM1 - I am setting Norwold to the north of the current campaign area. My setting resembles early medieval Europe, with Norwold taking the place of Scandinavia. The major powers are:
1. "France" (Arda) - the France area resembles France pre-Battle of Tours/Poitier; wild and disunited, with several minor kingdoms. The current campaign area is a large valley north of the 'Pyrenees'. This area could become unified into a strong power.
2. "Russia" - currently off-stage, the Grand Kingdom of the Rus is a new, rapidly expanding power in the east.
3. The Church of Baphomet - the bad guys, a Satanic religion which dominates large swathes of the world, including 'Spain' (Kalara) and 'Britain' (Alba).
I have basically two possibilities. Either:
1. The PCs unify 'France' in my current campaign and go on to settle Norwold, in which case the rival 'Thyatis' empire could be either the Rus, the 'British' Alban Baphomites, or both.
2. 'France' remains weak and disunited, or is conquered by the Baphomites, in which case the Rus are the good-guy settlers of Norwold, and the British/Alban/Ardan Baphomites are the villains.