I used EBXL in 1.2.5 but in 1.3.1 I stopped using it because I wanted another mod, which was a BIG mistake.
My world didn't look quite like this but you get the idea. As it turns out, all blocks that are added though mods don't come back after you re-install the mod. I know this was idiotic but it lead to this mod idea.
This mod is based off the server mod that allows you to undo steve placed/mined blocks. In general, there is a button that you press that re-generates your entire world but instead of you needing to use MCedit or some other program to copy over your creations it detects what you have placed and mined and keeps them. Also, since it would detect what you've mined there would be no infinite diamonds. I know you could use multiMC to use some mods here and some mods there but let's say, like me, you explored almost all of your world so now you don't get emeralds, jungle or desert temples etc.
If you want to add to this please reply as I know this is kinda simple right now. Also, a green "up" button push would help a lot!
Also, although this is a small thread a banner would be nice!