Between Pam's, Maths, Harlequin's Context and O_C, there are a lot of Disting functions which it might seem like other modules already cover. Nevertheless, there are some unique and interesting algorithms to explore. The shift registers (F5-F8) are a good way to introduce some "controllable" randomness into your patch. I've had fun with the Wavetable VCO (K1), and loading wavetables on the latest firmware is much easier now. Also, the waveform animator (D3) can bring richness and depth to an otherwise thin VCO. Also, I'll second what @Sweelinck said about the H7 Noise function; it's great.
TBH I was in the same boat with my Disting for a while. It was stuck on the delays for a long time before I just decided to pick some functions more or less at random and explore them. Even now though, it is still mostly an effects processor. However, these massive and deep modules are good to understand because they allow you to get an idea and think about how you might approach it. There have been a few times where I was thankful for a good precision adder or yet another quantizer. I guess I just mean that my favourite patches have been weird and not quite standard. Knowing the module helps you chase a sound or even surprise yourself... the joys of modular :-)