1) I think I, and just about anyone else who uses magic will agree that it's a pain to adjust your spell power according to the spell you're using while fighting. What I'd like to see is the ability to tie a spell to a spell power percentage. For example, for me if I want to use life infusion I would prefer to set my spell power to 0%, but if I'm using energy arrow I'd be setting it to 60%. It'd be nice if I could set it to automatically switch according to the spell, or even a command to set it so it could be done with shortcuts.
2) For benificial spells it would be nice if when targeting an enemy the spell would be cast on the caster. Targeting doesn't work very well, especially when a large group is present, so it's a pain to drop the target to cast a buff or healing spell.
Anyways, discuss