If you're making a GT HQM pack, then mods like Blue Power, ExU, TC, Blood Magic, MFR etc are just no no.
Leave out biome mods, in general. Also b/w BoP and EXBL, EXBL is less intrusive than BoP.
ExtraCells is a big WIP, so maybe "no" for this pack.
Mods like MFR will break the progression...