[aussiecreeder]

If technicality is the only concern then Tremonti would be lagging behind many today although he is a very good soloist. There are dudes like Buckethead who leave him for dead in that respect and have a lot of soul to boot. Mark is so great because he is a such a good songwriter and he is a good soloist. Hendrix set up much of what many guitarists today use and without him the world of rock would be very different. As for Cobain he wasen't a great guitarist but anyone who can write a riff like "smells like teen spirit" knows how to write catchy punk songs.