I love these DJ Techtools videos where a DJ shows us their dirty secrets and reveille what's in their bag.
Check out the post @ DJTT
James Zabiela is a Tech House DJ from Southhampton UK.
He's a reference for Pioneer and even helped them develop the CDJ-2000 and CDJ-900. He's a really technical advanced DJ with a lot of tricks up his sleeve, so looking behind the scenes might give you some tips to evolve. :)
Visit his website