Ahh the MIDI vs RealTracks argument. Use what works for you. When you write original stuff, there are no 'signature licks' to worry about yet. Some fine work can be accomplished with Realtracks on original songs. Some fine work can be done by MIDI too. Let the method fill the need.

Of course, if you want to be a purist, nothing beats a group of good live players! But those are rare, which is why a lot of us are here to begin with.

I do not work here, but the benefits are still awesome
Make your sound your own!