Question about distributor/condenser for Ford Model A - 1930

[masipopa]

Hello experts,

I'm not very experienced so please be gentle with your answers.

I have pretty worn out old style Ford Model A distributor with a condenser and a main ignition coil that probably are bad as I don't get consistent sparks.

Do you think I should just buy a new 'old style' condenser in current old distributor or replace with a new distributor and if a new distributor which one is better - this one :

New Distributor with Modern Upper Plate with Wireless Lower Plate 1928-1931
https://www.mikes-afordable.com/product/A12100ML.html

or this one
1928-31 Model A Ford Distributor - New - Modern Upper Plate
https://www.ecklers.com/1928-31-mode...8-20920-1.html

or something else.

Also for the main ignition coil I have Regitar USA model RA1115 for 12V. Which one to replace it with ?
Model A Ford Ignition Coil - Replacement Type
https://www.ecklers.com/model-a-ford...8-20890-1.html

Also if you could explain about ignition coils. Are there any differences between 6V and 12V coils and are coils specific for Model A because there are many coils and they look all the same.