Top Artists Overall
1 Megadeth 69
2 Thrice 42
3 Porcupine Tree 35
4 Iron Maiden 32
5 In Flames 31
6 Misfits 27
7 Dream Theater 23
8 Pink Floyd 22
8 Genesis 22
10 Joe Satriani 21
http://www.last.fm/user/theguitar/
I havent used mine in a couple months, so all the numbers are quite small.