Boss SE-70 it's a very capable and very programmable FX unit. Lots of midi control too. Great amp loop- great guitar multi fx and good studio fx too. Great distortion and all kinds of effects.
Boss TU-50 is a great chromatic tuner. Large screen for fast tuning specially on stage or dark place. The two units are mounted on a rack kit. Great products used by legendary recording guitar player Ramon Stagnaro.