The Boss SUPER Octave borrows sounds from its predecessor the but unlike any other octave it is the world's first compact pedal with true polyphonic octave effects. For the coolest octave around try the Boss SUPER Octave.
TC Electronic FlashBack Delay Pedal. This compact pedal gives you 11 delay types that include a looper along with modern stereo connectivity, true bypass and spill over control. For a Guide to Delay Pedals see http://www.guitarsite.com/delay-pedal/