I'd have to say art book, because I always enjoy seeing the work of the artists from blizzard and then seeing it come to life in WoW. Its simply an amazing process and these men and women enjoy their work and share it with us.
Soundtrack for sure
Mouspad is the best!
Collector's Edition Soundtrack! <3
My favourite part is the pet, I like Nibbles.I like the mount as well but feel it is a tad bit tiny.
A good art book like that can always get me to spend more for collectors editions.
My favourite would be the artbook! It's eye candy to me to see all the gorgeous artwork!
The art book is obviously the best, Blizzard has always been the best in their design, and cannot wait to see their epicness in Legion :D
The mousepad and the artbook are always my favorite :)
Box :3 I love those boxes and I will definitely buy Legion for it!
I totally love the Artbook, it's so interesting to see how ideas evolved and to see a comparison between the Artworks and the live models. *~*
The Artbook, of course. With all that images and extras must be a treasure for this expansion...
Definitely the mount and pet combo, I love them sooo much but, close second is the artbook.
The art book 100% and behind the scenes DVD always nice to know how it all goes down.
Nibbles! always the pet
I bought the Digital Deluxe Edition for the Felstalker mount. I've been a Warlock main since I first started playing in BC, I couldn't pass up having a genuine demon for a mount.
Prepurchased Legion Digital Deluxe , But that book art seems awesome hmm
Being an artist, I love the art part of things, art book, music, etc. But I love the art book most.
The artbook is always the best reason to get the collector's edition. Kind find all sorts of good tattoo ideas in there!
My favorite part has to be the art book.