Nuno Bettencourt is not modest, but sometimes guitar heroes are More Than Words:
With other heroes:
I found out about Richie Kotzen only recently, and that's a real shame.
Here something from his (short) time with Poison:
The same song on his own, acoustic:
Here jazz shredding:
Here an example of his versatility:
Here with his new group The Winery Dogs (Mike Portnoy and Billy Sheehan... not your average Joes):