Let me suggest XTOL 1:1 for 14 min at 68F. Agitate 30 sec the 1st minute then 10 sec every third minute thereafter.

This will give you exceptional sharpness with XTOL without the grain problems produced by Rodinal.

Try EI 320 as a starting point for this development approach. You might have to back off to 250 or so.

Another developer you might consider is Photographer's Formulary TFX-2. VERY nice stuff.