Yeah, more uses for gil would be great. Gil is always a non-issue until I need to combine equipment or hone high-level abilities, at which point I combine/hone one thing and suddenly I'm completely broke.
If you're happy with the abilities you have, I'd say grab the eggs. I think it's easier to invest in orbs only when you have a specific ability you want to craft or hone as soon as possible. I used the Lenna event to make Bladeblitz and Protectga (both of which I started using immediately), but I couldn't bring myself to keep farming magicite in order stockpile other orbs "just in case."
At the same time, I plan to skyrocket Locke as soon as he joins my party, so experience eggs seemed extra valuable to me.