Wow, thanks for all the responses and discussion. Governor silver is right in that it is all slightly overwhelming in terms of scope and depth of options - and this is something I really wanted to get away from when I first ditched the desktop and moved to Elektron and outboard only. Its more important now grabbing an hour here and there after kids-bedtime-relentless-tidy-up-chat-with-wife-time.
With that in mind, Papertigerās reponse struck a chord and I simply want to simplify my already simple-ish setup to make making music more immediate and with hard limits, but with options for audio which are obviously not available with the DN only.
I was lucky that when discussing this with a mate, he mentioned (and happily loaned me) his hated - and oft publicly maligned - Akai MPX16 as a potential solution.
Having mastered the MPXās features (about 4 I think) in a hour, it really does fit what I need pretty well.
It can very quickly record a long-ish stereo sequence from the DN, assign it to a midi note (locked to CH1, for some reason), and trig this from the DN using a trig condition for timing / looping. Its polyphonic so I donāt lose the tail (a bugbear about OT is assigning 2 tracks to 1 sample to eliminate this!).
Reverb is serviceable, and I can load / resample loads of other samples into it for additional trigging.
I route as such: DN>MXP (for sampling only)>DN>Analog Heat = pretty simple.
It can also switch off monitoring which allows external resampling - i.e., running the audio out of the MPX to ext effects and recording back in - although thereās a bit of messing around to do this.
The MPX is very plasticy and cheap, it colours (dulls) the sound a bit as well. Screen is crap, and editing options are limited at best. It also doesnāt get around having to pattern chain on the DN to make songs, but Iām used to that now (write them down) and there is something nice about being uncoupled from a time line in terms of making edits to patterns to add variety / progressions, etc.
However, the speed of sampling for this is great, and as it just a soundbank essentially, it pairs really well with the DNās midi.
The OT has now been boxed and hidden away for a few years until I get some time back.
I response to the advice, the IPAD has great apps for music and I will defo give some of the suggestions a go. Sunvox looks very interesting but seems a bit of head-scratcher - I will check it out though.
Again, thanks for the responses - they helped in making the right decision for me.