Actarus, I didn't mean the fullslips aren't good. If you followed the back and forth with Paul I only asked him not to reply the slips are good because I wasn't saying they weren't, it wasn't a part of the debate.
To answer your question though, the slips are good, good enough I'll say, IMO they are not using as good a card stock as FA, for example, and it's something they could improve on. I will also say this, as the Frozen thread has shown you like to remove the exclusive stickers and re-stick them elsewhere. Not sure I'd do that with the EB ones, while the EB vs FA card stock is not night and day, the stickers are. I haven't tried removing any of mine, but they look more fragile and even DIY to a point, so I'd be careful with that.
Can't help you with the art cards as I've not unsealed any of mine. Judging from the posters that they send in the poster tube and what not, I expect their quality is fine, but who knows.