A lot of it is generic but as with every genre there's some really cool stuff, I like this by Zomby:
http://www.youtube.com/watch?v=G-BEqvrS24s
and this by King Midas Sound:
http://www.youtube.com/watch?v=Xy940WcNvrc
I think these are interesting because they are not really 'pure' dubstep, I like it better when it's more mixed up in style