Tuner? / fuzzz? / dirt? / delays? / reverb? / vibe? Etc. Etc. Etc.
I will say this.. ive always hated the idea that effects/dirt is added later on and not during the performance. For me anyway, I play not only the notes themselves but the SOUND they make as I make them so Im a big fan of how lots of blues and jazz albums have been recorded. Most everything is live with at least 2-3 parts being recorded at one time, and a couple overdrubs ( or everything at once ).. and each artist ( including tone and effects ) being captured directly at the speaker or from the amp, and perhaps mixed with a room sound. This is off topic but your recording comments in regards to the tone engine interested me.