you might wanna try rage against the machine. theyre more rock but frontman raps (kinda). they also have the best mosh pits (fans go crazy in their concerts) around....
http://www.youtube.com/watch?v=92myvk4v4Lw
http://www.youtube.com/watch?v=8de2W3rtZsA&feature=related
http://www.youtube.com/watch?v=ueZMIoDwPrg
http://www.youtube.com/watch?v=8wR6FTNBkFo&feature=related
http://www.youtube.com/watch?v=xuGwk0VDYYQ