Tiers 5, 4 and 3 all have 3 divisions, 1st place in each division win promotion to the next. Last place in each division is relegation.
Tier 2, Airtricity First Division now has 16 teams, top 3 promoted, bottom 3 relegated. Some extinct teams have been entered as to keep all the lower tiers with original teams.
Tier 1, the SEE Airtricity League has 16 teams, winner qualifies for Champions League (First Qualifying Round), bottom 3 relegated.
FAI Ford Cup = Europa League
EA Sports Cup = Europa League
All other cups are playable too.
Prize money has been raised a little bit, TV money and match day money, (Tier 1 and 2 only).
4 or 5 top teams slightly improved facilities (16)
Tier 1 and 2 all professional, tier 3 semi professional, all others amateur, except 2 or 3 semi professionals.
I'm willing to update this permanently if people like the idea and download it.