>I was thinking of going with HC110 as a replacement. Will it live up to my needs as described?
In short: no.
I am using both developers for different ocsasions and I learned to like them both, of course.
HC isn´t that cheap - here in Germany it´s heading for the mark of 30€ per litre, quite a lot for something one can´t be sure to appreciate.
Both developers last a long time; both developers are available from a bunch of producers with only slight differences to the formule - I can buy (and did buy) HC110 from Kodak, Ilfotec HC, Ilfotec LC29, I can buy it as Neopress HC from Tetenal and there is Fuji making a similar product, too.This whole range will give me very similar results.
Both developers share a commonality - you can adapt it to the task by changing the dilution. HC is more versatile in this regard, since it´s stronger, more powerful, it works well within a broader range of dilutions while Rodinal is exhausted by time and oxidation.
I received different "styles" from the same film by simply changing the dilution of HC - 1+30 giving high acutance and REALLY coarse grain on a 35mm HP5 while 1+60 limiting the grain, smuding the grain etc.
HC works nicely with old school films as APX and HP5+ as well as with Filmotec´s N74 or Kodak TMZp3200 (at EI1000).
I like them both, Rodinal and HC - but I´d chose HC from any make if I had to make the choice, since it gives me a broader set of chances and possibilities.
Regards,
Roman