I have done the math (the Monster Math!) and figured out what packs I might use.
I do have the Exploration Mega-pack from a few years ago that was $895, but totals up to $1270 worth of ships, a savings of 29.5%.
The current Mega-pack is $1350 and has $1770 worth of ships, but is only a savings of 23.7%
So the current regular Exploration pack that everyone goes on about is $695 and has $960 worth of ships, it's a savings of 27.6%
So I think I may just keep my pack since it's the best savings and if I plan on upgrading I could maybe grab the current Explorers. Hopefully it doesn't go away or increase in price, but I kinda have a feeling it will since it's insanely good value for the money. I'd melt mine to buy one, but then I'd lose my upgrades. Although I do have most of my upgrades back, I'd still lose the C2 and not sure how I'd get the A2. It's a tough decision...