I used the jazz III red or black for years then ultex jazz 2.0mm but I got some John Petrucci signature pics and I haven't used anything else since
they are perfect for me. Sharp, grippy with a nice smooth pick point.
I have some signature picks from one of my favourite bands Sylosis that I got when I had a private guitar lesson with the band (one of the best days ever)
you can see them at the bottom
Guys, if you suddenly feel this evening, that a masterpiece has been written, don't worry. It's me, testing a new pick (it has just arrived from the depths of hell):