#1) Did CovertJaguar fix his breaking of portals and other multiblock structures yet? Or is it still not his problem, but that of vanilla/other mods (ACTUAL ARGUMENT OF HIS!)?
#6) Yup. Let's add a huge mod into an already big modpack. What could go wrong? *exploding servers in the background*
#7) Tinkers Construct => Lumber axe.
At any rate, you can propose these on the forums all you want, but the ones you need to convince at GenerikB and BdoubleO100 of the B-Team. They decide what kinds of gameplay mods should be added.
Also, these mods have been asked for, but for the wrong reasons? How are your reasons, which come down to the same thing other people have said in the past, better than others?