I bought a set of Chinese ABS fairings for my MC18 R6k (Terra) and I found them to be "sort of OK".
I'd give them 6.5/10
I bought them back in June 2010, so maybe things have improved since then? Maybe not?

I had to do a fair bit of work on them to get them to fit:
Got the Dremel out to enlarge/align some holes to take the rubber bungs
Glue some foam rubber around the headlight to seal the light properly to avoid the inside of the fairing lighting up at night.
The fairing blade that came with it was just wrong and didn't fit properly, but was free.
I sent my tank to them and they repaired and painted it at the same time as they painted the fairings to ensure good colour match. This also was free excluding freight.
The area around the rear tail light was the worst. The little flat bottomed "V" shaped part just behind the passenger seat was not the right shape and I ended up using an original part. But it was just not a good job by the fairing manufacturers around this area.
A lot of the fairing lugs were either missing or weak or the wrong size.
I bought some Dzus fasteners and riveted them on to the side fairings.
The fonts used are not an exact match, but are close. This gives the whole thing a bit of a "Chinese rip-off" feel in my opinion.
I stuck strips of aluminium tape to the inside of the belly pan for heat protection from the pipes.

I think it really depends on who exactly you get them off, as to how good the paint job is.
My paint job seems pretty good, although the insides of the fairings had a lot of random overspray which was a bit ugly so I painted over this with white.

So, if you are not too fussy, and are willing to put some work into it, they can be "sort-of-OK".
But I suspect that you will never be completely happy with them.
Would I recommend buying them? Well it is borderline, and really comes down to the individual I think.

Here are some links to my blog talking about it, with some pictures:
http://edetuckracing.blogspot.co.nz/2012/01/fairing-fitment.html
http://edetuckracing.blogspot.co.nz/2012/02/today-i-stuck-some-aluminium-foil-tape.html
http://edetuckracing.blogspot.co.nz/2010/07/fairings-and-okshon-engine.html
http://edetuckracing.blogspot.co.nz/2012/04/two-months-since-my-last-post.html
http://edetuckracing.blogspot.co.nz/2012/05/quick-fang.html
_________________
[color=#808080][size=9]Yes,.. I too know how to waste Time and Money,...