I don't mind the nerf, JC will still be rather well off after the change. I have no intention of changing to another prof for my mage. Just because the gems are no longer prismatic doesn't mean that you can't use them in any slot like you can now; just means that you may not get the added socket bonus. I expect to have to juggle a couple gems around after the change, but I suspect I will have roughly the same stats as I have now.

The bigger point to take away from this is to stash up on lower metals now to flood the market when the change hits. Might as well make money off the other people that want switch over but don't want to farm it themselves.