Irish rail: difference in seating on the 22031-22040 units?

[JonathanH]

Note that it is not really worth paying for the upgrade on Tralee services or those Cork services where the upgrade is priced at €6.25, as all you get for your money is a table lamp, it is still 2x2 seating.

Now that both standard and first class has leather seating on Irish Rail ICR units, what is the difference in seating on the 22031-22040 units between the two classes. Is it literally just the table lamp or is there actually a bit more to it? Different colour seating?