I joined there already! They have some fantastic new challenges and new designers I haven't seen at STS. Christin from Lovely Creations (you remember, I'm on her CT) has also joined at SNP.
And if you like sales, SNP is the place to be all month long. Each week they are putting different things on sale in their store; commercial use items, kits, QP's, and word art and templates. See flier (which is linked to store).
And here is the layout.