Marshall: great crunchy tone and blues tone but not super high gain
Vox: dont know
Fender: glassy clean channels with killer blues tones
Matchless:
Mesa-boogie dual rect: metal metal metal!!!
Crate: good at making solid state amps I am auctually kind of fond of the glx series and the blue voodoos are not that bad
Peavy: mostly metal amps and rock They have some nice models the 5150 and 5150 2 which eddie van halen designed, alot of metal bands use 5150's that are modded and the xxx series is nice to.