u just can"t rate artist with charts..u can"t say def leppard is les-talented then bonjovi...britney spears & j.lo. are more talented then BONJOVI??but they have millions copies sold..& backstreet boys 2....i think def leppard & bonjovi go similar...in fact their new album kicks ass & bonjovi"s album don"T
...in 80"S time both got sucsess ....