I referred to the second of those as "Shifter's Hammerspace", and there are a number of things it's useful for; a zero point version would cover lightweight clothes and maybe a wallet or cell phone, while a one point version might allow you to have a backpack and several different outfits in an extradimensional storage space. ...Of course, that storage space actually exists, somewhere, in the nevernever. Better hope no mischevious fae find it...
For the first, I'd agree that immunity to accidental hexing isn't worth a refresh; it just needs a really good justification. Like, say, you're not human. Or you're using some form of special sponsored magic. (Consider, for example, fomori magic - which we know isn't impeded by running water. I'd imagine someone who really knew what they were doing could accomplish something similar to make their magic flow with technology instead of against it. Of course, they might then have some other manifestation of accidental hexing - like the fomori's odor of mildew, maybe mixed with a tendency for things to rust...)