Is there much of a difference in the approval rate for one vs the other? That's assuming approval rates are even public knowledge, of course.
Since we've known each other less than a year and only co-habitate when I'm visiting (which is typically 3 week periods every 3-6 months), and don't share a bank account, my assumption is that our case for a K-1 would be stonger than a CR-1. Then again, maybe many/most CR-1's are from similar situations? I've no idea, but the thought of waiting 17 months and then being rejected - I don't know that I could survive that. Anyway, thanks for all of the information thus far - it really helps.
PS: This is regarding Thailand (initial answer was removed above).