OK, from someone who has legs that are legendary, let me give you some advice:
YOU MUST DO SQUATS!
But having said that I think that most guys who develop their legs don't develop them very nicely. Maybe as a gay man I have a sense of aesthetics for male legs...and this is what I have noticed:
People's hamstrings are out of proportion to their quads.
If you want nice looking legs you have to develop your hamstrings. You can get impressive size in your quads but the key to nice looking legs is balance.
So many guys have big quads and flat hams. They look impressive but not attractive.
With the exception of squatting I never work my quads directly. My leg routine is essentially a hamstrings routine. If you do this hard enough your quads will end up being sore anyway.
In any case, this approach has worked well for me. Best of luck.