Hey Nik...
I agree with your assessment....But, would you take that motor now and put it in your plane that, other than the motor, comprises $800 if equipment?
Unfortunately, I agree that buying from a well established place (BME is currently my preference) having a warranty etc. is wayyyyyy up on my list.
And, I can go to my field and find a few folks who have one(the BME, ZDZ, etc) and haven't had any trouble with them. That isn't to say I'd have trouble with anyone elses motor either...But I have a trusted person whom I've been flying with for a few years recommending it to me...(and who can help me when I do something stupid)....
Just my .02