Got a couple of hours?
Seriously, i'll let someone else respond for my response may turn into a novella. My only suggestion is to pick up or borrow a core book and check it out.
I've been playing DnD for over 30 years and have great memories of said game. This being said, WFRP will always be my #1 choice for fantasy rpg.
Yes, i still play DnD regularly, but truth be told, DnD players i've talked into playing WFRP, have always wanted to stick with WFRP from then on.