I just found the SOS article
MC307
and can't see a mention of a TB303 vs MC307 comparison? The
MC303, however, was the father of the MC505 - both are digtal and sampled based machines.
The MC505 has a low boost + extra low octave control, which is pretty decent. And when high resonances are used in the filter, the technical short-comings of the audible, obvious midi-stepping cut-off filter control creates a very nice effect in its own right when whacked through distortion while sweeping the filter very, very slowly in the audible mid-to-high frequency range.
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PS > And another thing! Will the Ti|3 have user customisable/importable wavetables?

A ribbon-controller or XY-Pad might be nice, too, please! Thanks!