Hi Andrew -
It's a hard call. Your preference for street photography, is almost the extreme opposite of mine, in landscape work, where slow film is at most detailed. If you were to adopt my work flow, it would probably constrain your shooting style.
If I were to offer advice, it would be useless! I prefer Fuji Artdol and its flash development of 2 1/2 minutes with extreme pulling. I haven't come across any other photographer who happily admits to using it or finding it - not very helpful since I only have a few packs left to match the remaining stock of Panatomic X.
In some respect, you probably will have to at least try one roll of Panatomic X in HC110 dilution B for 4 1/2 minutes at 70degrees using minimal agitation - the effective film ISO reported by Kodak, drops with increasing agitation of the tank which is worth bearing in practice. This is what Fixcinater is controlling by his 'semi-stand' (minimal agitation) method, to preserve shadow detail and restrain highlight overblowns. The outstanding issue then, is still the variable degrees of base fog in expired rolls of Panatomic X. Maybe that is why I'd recommend learning about the range of development methods, and tailoring it according to your own specific knowledge of your own shooting style, film and development technique.
Once you have a reference point for your own work flow with a developer you are comfortable with, then the fun on the rest of the rolls start.
Steve Anchell's Darkroom Cookbook is still affordable:
https://www.amazon.co.uk/Darkroom-Cookbook-Alternative-Process-Photography/dp/1138959189
and grounds many different strands of developing film like an artist' palette of paints, to choose from, in order to interpret the canvas.
Gordon Hutchings' Book of Pyro is great - specialist great and one of the greats in photographic literature - but unfortunately rather costly now:
https://www.amazon.com/book-pyro-PMK-formula/dp/B0006P3UEW
It is more specialised than Steve Anchell's general primer on darkroom developer technique. You could leapfrog Anchell and go straight for Pyro and Hutchings' gives a reasonable guide for the simplest Pyro developer for Panatomic X - PMK Pyro - of which the formula is on the internet:
http://www.cabbagetownphoto.com/pyro.html
it is toxic, so you have to take standard handling precautions: many photographers just buy the ready made Part A + Part B solutions {1:2 + 100ml Water) and develop between a reference value of 6.5minutes - 9 minutes at 20 degrees C depending on ISO. The cheaper powder form is not difficult mixing up from the raw constituents - but this is the start of specialist developer technique. If it's not for you, definitely don't go backwards to track down Patrick Dignan's vintage primer!
There is a useful Pyro Flickr group run by Jay de Fehr - you'll find Pyro developers and photographers tend to be close knit and supportive - perhaps more pedantic and fastidious about how we develop film, instead of the fast and easy beans on toast HC110 method. When you compare Pyro negatives form Panatomic X side by side with HC110b or Microphen, the negative' contrast range is really striking with Pyro.
That's the one I think will be most rewarding - go Pyro! You can practice the Pyro developer on any other film: Fuji Acros (ouch! discontinued as well), Ilford FP4+ and hone your development technique - it transfers very well and your dilutions of Pyro PMK are always going to be Part A: Part B: Water as 1:2:100 - less than 10 minutes for any of these film at 20 degrees.
Then the Panatomic X will be ready for use
🙂
RJ