you can use guides for magnatic snapping
or write a script that is aligning points in a selection or even aligning points which are only X amount off on both x and y axis
> When I have chosen a tool I sometimes find myself needing to select or drag something before using the tool again. Would it be possible to temporarily switch back to the edit arrow by for example pressing cmd (like Illustrator does it).
you can use numbers as direct an quick switching between tools 
good luck
gr Frederik
www.typemytype.com
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