Grrr... I grabbed 3.5.1. and installed it already. Ok, I'll grab 3.5.2 now and reinstall - hey, by the time I'm done, I'll be an expert!!

I had actually installed this incorrectly the first time. I don't use BAIN, I use OBMM, so I skipped down to the manual install part of the readme. You omitted the part about installing the road record in that section. Rather than repeating everything, you may just want to tell manual installers to read the BAIN section anyway or something, especially in the section about optional files. On second read, I discovered that the BAIN section was a lot clearer even though I don't use BAIN - it was easier to follow than the section for first time users (which I am!). Anyway just a suggestion.
Looks good so far! Haven't gotten out of Imp. City yet... I was always afraid to install this before because I was worried about the performance, but it's running great.
Could I get a clarification about RAEVWD: I installed everything, but I think I read somewhere that I don't need RAEVWD - Cities if I'm running OCC. Is that correct? It doesn't hurt though right? I ask because the RAEVWD readme says "This ESP is 100% module compatible with Open Cities (Classic or Reborn), and with Open Better Cities.", so to me that sounds like I do want to be running the cities module. The same comment is made for the Imperial City ESP as well.
Thanks again.