We first reviewd the Cicuit when it came out, Novation's new groovebox was great fun and very promising, however, it had a few short comings. Since then, almost a year back, Novation have steadily added features and transofrmed the Circuit into something rather different.
New features include:
Loading of user samples - 64 slots total 60secs (mono)
Sample flipping during playback
instans session and pattern switching - pick up the beat during playback