Got the message. As a matter of fact, the Santana question was just a nostalgic one (Moonflower was one of the 3 first records I bought and those endless notes were magical for me). What the Metheny sound is concerned: that is a sound I love. Most of it is his playing technique but I wouldn't use it to play his stuff. Trying to understand a new piece of gear I thought it would be a good approach to start with something specific instead of just clicking through some presets.
All the best from Austria and thanks again.
Alexis