I just got my GM Toolkit and TGS campaign last night and while overall I love the products and can't wait to use them I have a couple minor gripes. First the packaging. It is flimsy and not at all what I was expecting after the core set and Adventurer's Toolkit. Especially with the amount of components that come in each box I would expect the sets to come in something that isn't going to fall apart quick, and top / bottom opening boxes like these make it much easier for components to fall out.
A bigger gripe is that art is already being recycled. Seriously with all the Warhammer Fantasy art out there why is art already being recycled in an edition that only has four products out so far? I don't have an issue with art from previous editions getting reused but to already be reusing art within a brand new edition just seems kinda lazy.
With that said the stuff in the boxes has me excited to play, the GM kit especially helped clerify a lot of minor questions I had on how to properly and effectively utilize the components without letting them become a distraction. The Gathering Storm seems like a solid group of four adventures that help showcase the system. Yes the maps could have been half sheet size at least instead of career sheet size but with the amount of table space the system already takes up I do not consider it an issue at all.
I have one minor recommendation for the layout of mmonster entries in future products. Currently there are usually three or more entries for a creature type (ie. Ungor, Gor Wargor) but only one image. For people like myself who are new to the Warhammer universe this makes it a bit harder to flavor the scene not knowing whats visually different between the creatures. I would recommend having at least a small image of each next to the entry and have that image match that of the punch board token of the monster.