I have a rather mad suggestion for IE, maybe they should take on redundant HST sets for intercity services allowing the 22000s to move to commuter services?
The problem is that 22000s just aren't suited to the type of services that would be classed as commuter in ireland, as in the suburban services. They run all suburban services out of heuston currently granted, and they run some out of connolly. But Their layout + end doors among other issues does cause extra dwell times and issues with heavy loads and are low capacity compared to the likes of the 29000 which is a real people mover and is perfectly suited to suburban runs yet not so for anything long distance. It's stock with a suburban type layout that we in ireland are short of realistically. At least from what i can see anyway. If the 22000s were moved from any and all suburban runs there would be plenty of capacity for the inter city and long regional routes i think.
I must admit that hsts in ireland going down whichever lines they would be put on (all though they wouldn't get to 125 mph) really would be a site. Sadly a pipe dream though.