At this moment in time the LGE is getting all the love on here.
Right now I'm happy I could only get it as I live in the UK. Though in fairness aosp and gravity box would meet my needs perfectly.
I think in time the tables will turn and we'll see more development for the GPE.
Mahdi is I believe based on CM11, it's most definitely not based on LGs rom.
Malladus is based on LG's rom.
The roms are coming along brilliantly with gpad features being quietly added back to the roms (I guess cm11 and mahdi are the front runners in this department)though Malladus has pretty much all the features as it's based on the LG rom (jellybean)
Hope this helps
All the best rich
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"It's psychosomatic. You need a lobotomy. I'll get a saw."