Warptorio that allows addons with planets from other mods like Space Exploration, check out WSEK.
Large total conversion mods.
Transportation of the player, be it vehicles or teleporters.
Augmented or new ways of transporting materials - belts, inserters, pipes!
New ways to deal with enemies, be it attack or defense.
Map generation and terrain modification.
Can you switch over from Warp 2 to this mod or does it require a new save?
It requires new save. Also, there is no difference with usual W2 except that this one works with SE and K2, and them require a new save anyway ;)
;)