said by Jackarino:
Optimum should really consider lowering the fee to $100 or just getting rid of it, then they would get more money per month for customers going to ultra
More people on ultra also costs more money. I don't pretend to know what would make the most economical sense for them to do, but if I had to guess, they'll be facing more expansion costs sooner by reducing or removing the upgrade charge to offset the increased monthly revenue.
I do recommend trying Boost Plus before Ultra (like the OP has). I don't think 120ish Mbps vs 60 Mbps is going to have a significant difference on anything a home user would do.