http://boards.cityofheroes.com/showthread.php?t=183631
is a recent claws/da guide...lots to read and some useful information there after you digest that for a bit come back with more specific questions and I will be happy to help
Yeah hopefully the guide i wrote will answer all your questions, if not then just ask 
Dark armor lover.
The Claws/DA Scrapper guide.
Celidya's guide is excellent, and I will add that not only does it have some excellent pros, it also looks exceptionally cool. 
ok so im havin trouble findin powersets that work well so im tryin out a claws and dark armor scrapper any advice?