Dave Smith Instruments SYNTHESIZERS

>  I am thinking to buy a Evolver.
>
>  Is it possible to use both the external audio in and the analog
>  oscillators together ?

Yes

>  Will it be possible with a future update to set a different note
>  length each step in the sequencer ?
>  A slide option like te tb303 would also be very usefull.

Very Highly Unlikely