I have never used a dash kit, nor will i. From the ones I have seen they tend to look very cheap indeed, your better off just spraying the dash instead.
You would be better off buying some sticky carbon fibre sheeting for a bit more and doing it properly. will give a better finish and will look more 'real'.
I ordered one of ebay (carbon) in the end they was out of stock thank god didnt look proper and most of it wouldnt have fitted however they sent me a free chorme aerial RESULT! hehe
Just make sure the bits that it is for you have got